bluuebunny/crossref_metadata_2025 huggingface dataset:
Trace elements in PM2.5aerosols in East Asian outflow in the spring of 2018: emission, transport, and source apportionment
Authors: Miyakawa Takuma , Ito Akinori , Zhu Chunmao , Shimizu Atsushi , Matsumoto Erika , Mizuno Yusuke , Kanaya Yugo
Published: November 2023

Abstract. Trace metals in aerosol particles impact Earth's radiative budget, human health, and ocean biogeochemistry. Semi-continuous measurements of the elemental composition of fine-mode (PM2.5) aerosols were conducted using an automated X-ray fluorescence analyzer on a remote island of Japan during the spring of 2018. Temporal variations in mass concentrations of geochemically important elements for this period, such as Pb, Cu, Si, Fe, and Mn, and their relationships with the emission tracers, carbon monoxide (CO) and black carbon (BC), were reported. The Integrated Massively Parallel Atmospheric Chemical Transport (IMPACT) model was used to evaluate the source apportionment of these components and was evaluated in terms of emissions and wet removal processes. Pb and Cu originated mainly from anthropogenic sources (98 % and 93 % on average, respectively) over the East Asian continent. Positive correlations of Pb and Cu with BC and CO and the similarity of their concentration-weighted trajectories indicated that the emission sources of these metals share the region where the large CO (and BC) emission sources are located and that CO can be regarded as a tracer of continental anthropogenic emissions. The air masses with minimized impacts of the wet removal during transport were extracted to elucidate the “top-down” emission ratio of Pb and Cu to CO, which were, for the first time, evaluated as 152.7 and 63.1 µg g−1, respectively, during the spring of 2018 in the East Asian outflow. The analysis of the tagged tracer simulations by the IMPACT model confirmed that BC and Si could be used as tracers for anthropogenic and dust emissions, respectively, during the observation period. The source apportionment of Fe and Mn in PM2.5 aerosols was conducted using Si and BC tracers, which revealed that the anthropogenic contribution was 17 % and 44 % on average, respectively. Based on the air mass origins of Fe and Mn, their anthropogenic fraction varied from 2 % to 29 % and 9 % to 68 %, respectively, during the high-PM2.5-concentration periods. However, despite the non-dominant anthropogenic contributions of Fe, they could adversely affect human health and ocean biogeochemistry, owing to their higher water solubility. The modeled BC, Pb, Cu, and Fe were evaluated by separately diagnosing their emission and transport. Ratios of modeled to observed concentrations for these components were analyzed in terms of the accumulated precipitation along the transport from the East Asian continent. The current model simulations were found to overestimate the emissions (based on the Community Emissions Data System, CEDS v2021-02-05) of BC by 44 % and underestimate Cu by 45 %, anthropogenic Fe by 28 % in East Asia, and the wet deposition rates for BC and Pb. Overall, Cu in East Asia exhibited a different nature from BC and Pb in terms of emission sources and wet removal.
Single-species dinoflagellate cyst carbon isotope fractionation in core-top sediments: environmental controls, CO2 dependency and proxy potential
Authors: Frieling Joost , van Roij Linda , Kleij Iris , Reichart Gert-Jan , Sluijs Appy
Published: November 2023

Abstract. Sedimentary bulk organic matter and various molecular organic components exhibit strong CO2-dependent carbon isotope fractionation relative to dissolved inorganic carbon sources. This fractionation (εp) has been employed as a proxy for paleo-pCO2. Yet, culture experiments indicate that CO2-dependent εp is highly specific at genus and even species level, potentially hampering the use of bulk organic matter and non-species-specific organic compounds. In recent years, significant progress has been made towards a CO2 proxy using controlled growth experiments with dinoflagellate species, also showing highly species-specific εp values. These values were, however, based on motile specimens, and it remains unknown whether these relations also hold for the organic-walled resting cysts (dinocysts) produced by these dinoflagellate species in their natural environment. We here analyze dinocysts isolated from core tops from the Atlantic Ocean and Mediterranean Sea, representing several species (Spiniferites elongatus, S. (cf.) ramosus, S. mirabilis, Operculodinium centrocarpum sensu Wall and Dale (1966) (hereafter referred to as O. centrocarpum) and Impagidinium aculeatum) using laser ablation–nano-combustion–gas-chromatography–isotope ratio mass spectrometry (LA/nC/GC-IRMS). We find that the dinocysts produced in the natural environment are all appreciably more 13C-depleted compared to the cultured motile dinoflagellate cells, implying higher overall εp values, and, moreover, exhibit large isotope variability. Where several species could be analyzed from a single location, we often record significant differences in isotopic variance and offsets in mean δ13C values between species, highlighting the importance of single-species carbon isotope analyses. The most geographically expanded dataset, based on O. centrocarpum, shows that εp correlates significantly with various environmental parameters. Importantly, O. centrocarpum shows a CO2-dependent εp above ∼ 240 µatm pCO2. Similar to other marine autotrophs, relative insensitivity at low pCO2 is in line with active carbon-concentrating mechanisms at low pCO2, although we here cannot fully exclude that we partly underestimated εp sensitivity at low pCO2 values due to the relatively sparse sampling in that range. Finally, we use the relation between εp and pCO2 in O. centrocarpum to propose a first pCO2 proxy based on a single dinocyst species.
Responses of globally important phytoplankton species to olivine dissolution products and implications for carbon dioxide removal via ocean alkalinity enhancement
Authors: Hutchins David A. , Fu Fei-Xue , Yang Shun-Chung , John Seth G. , Romaniello Stephen J. , Andrews M. Grace , Walworth Nathan G.
Published: November 2023

Abstract. Anthropogenic greenhouse gas emissions are leading to global temperature increases, ocean acidification, and significant ecosystem impacts. Given current emissions trajectories, the IPCC's reports indicate that rapid abatement of CO2 emissions and development of carbon dioxide removal (CDR) strategies are needed to address legacy and difficult-to-abate emissions sources. These CDR methods must efficiently and safely sequester gigatons of atmospheric CO2. Coastal enhanced weathering (CEW) via the addition of the common mineral olivine to coastal waters is one promising approach to enhance ocean alkalinity for large-scale CDR. As olivine weathers, it releases several biologically active dissolution products, including alkalinity, trace metals, and the nutrient silicate. Released trace metals can serve as micronutrients but may also be toxic at high concentrations to marine biota, including phytoplankton, which lie at the base of marine food webs. We grew six species representing several globally important phytoplankton species under elevated concentrations of olivine dissolution products via a synthetic olivine leachate (OL) based on olivine's elemental composition. We monitored their physiological and biogeochemical responses, which allowed us to determine physiological impacts and thresholds at elevated olivine leachate concentrations, in addition to individual effects of specific constituents. We found both positive and neutral responses but no evident toxic effects for two silicifying diatoms, a calcifying coccolithophore, and three cyanobacteria. In both single and competitive co-cultures, silicifiers and calcifiers benefited from olivine dissolution products like iron and silicate or enhanced alkalinity, respectively. The non-N2-fixing picocyanobacterium could use synthetic olivine-derived iron for growth, while N2-fixing cyanobacteria could not. However, other trace metals like nickel and cobalt supported cyanobacterial growth across both groups. Growth benefits to phytoplankton groups in situ will depend on species-specific responses and ambient concentrations of other required nutrients. Results suggest olivine dissolution products appear unlikely to cause negative physiological effects for any of the phytoplankton examined, even at high concentrations, and may support growth of particular taxa under some conditions. Future studies can shed light on long-term eco-evolutionary responses to olivine exposure and on the potential effects that marine microbes may in turn have on olivine dissolution rates and regional biogeochemistry.
The weather today rocks or sucks for my tree: Exploring the understanding of climate impacts on forests at high school level through tweets
Authors: Mölg Thomas , Schubert Jan Christoph , Debel Annette , Höhnle Steffen , Steppe Kathy , Wehrmann Sibille , Bräuning Achim
Published: November 2023

Abstract. With the progression of global warming, impacts on the human sphere will undoubtedly increase. One prominent impact example at mid latitudes is the stress of forests under climate change, which the project "BayTreeNet" (https://baytreenet.de/) addresses from an interdisciplinary viewpoint. Scientists from physical climatology, dendroecology, and educational research collaborate to examine how long-term changes in weather patterns affect the state of trees, and how the atmosphere/tree relation can be used to the advantage of improving the communication of climate change effects to, in particular, high school students. This article presents a 1-week case study for summer 2021, when a distinct variability in weather patterns induced significant tree responses. The students of seven selected partner schools commented these responses online through a framework including live weather and tree data as well as tweets, which was incorporated in their educational geography program. The results demonstrate that the students succeed in verbalizing the measured weather and, furthermore, manage to draw linkages to the stem diameter changes of trees. Problems arise with the use of less perceivable variables like the sap flow in the trees; also, the student posts exhibit a shortcoming in establishing causal connections. Hence, the case study points to a discrepancy between describing basic environmental information and appreciating, or understanding, the underlying mechanistic links. This point will serve to refine future classroom concepts and, moreover, to enhance the communication of climate change effects on forests for the general public.
Dinoflagellate cyst and pollen assemblages as tracers for marine productivity and river input in the northern Gulf of Mexico
Authors: Yedema Yord W. , Donders Timme , Peterse Francien , Sangiorgi Francesca
Published: November 2023

Abstract. Both marine dinoflagellate cysts and terrestrially derived pollen and spores are abundant in coastal sediments close to river mouths, making sediment records from such settings ideal to simultaneously study land–ocean climate interactions, marine productivity patterns and freshwater input over time. However, few studies consider the combined calibration of these palynological proxies in modern coastal sediments offshore from rivers, which is needed to strengthen the interpretation of paleoreconstructions. Here, we analyze the palynological content of marine surface sediments along land–sea transects off the Mississippi and Atchafalaya river mouths in the northern Gulf of Mexico (GoM) and test three palynological indices which are often employed in the paleo-domain: (i) the abundance of cysts of heterotrophic and autotrophic dinoflagellates (dinocysts) as a tracer for primary productivity (H/A ratio) and (ii) the ratio between non-bisaccate pollen and bisaccates (P/B) as well as (iii) the ratio between pollen (excluding bisaccates) and dinocysts (P/D), which are both tracers for river input and distance to the coast. Our results show that dinoflagellate cysts are most abundant on the shelf, where heterotrophic dinocyst species dominate coastal assemblages in reach of the river plume, while autotrophic taxa are more present in the oligotrophic open ocean. This is clearly reflected in decreasing H/A values further offshore. Individual dinocyst taxa also seem to inhabit specific niches along an onshore–offshore transect, linked to nutrient availability and proximity to the turbid river plume. The highest pollen concentrations are found close to the Mississippi river mouth and mostly represent a mixture of local coastal and upstream vegetation, whereas bisaccate pollen was most abundant further offshore of the Mississippi river. Multivariate redundancy analysis (RDA) performed on both pollen and dinocyst assemblages, a set of environmental parameters, and the three palynological ratios showed that net primary productivity was the most important variable influencing the dinocyst assemblages, likely as the result of nutrient input. Additionally, the RDA confirmed that the H/A ratio indeed seems to track primary productivity, while the P/B ratio results in a robust indicator for distance to the coast, and the P/D ratio better reflects river input. Together, our data confirm and further specify the suitability of these three palynological ratios in river-dominated coastal margins as proxies for (past) marine productivity and distance to the coast and river.
Seawater carbonate chemistry considerations for ocean alkalinity enhancement research: theory, measurements, and calculations
Authors: Schulz Kai G. , Bach Lennart T. , Dickson Andrew G.
Published: November 2023

Abstract. Ocean alkalinity enhancement (OAE) is a proposed marine carbon dioxide removal (mCDR) approach that has the potential for large-scale uptake of significant amounts of atmospheric carbon dioxide (CO2). Removing anthropogenic legacy CO2 will be required to stabilise global surface temperatures below the 1.5–2 ∘C Paris Agreement target of 2015. In this chapter we describe the impacts of various OAE feedstocks on seawater carbonate chemistry, as well as pitfalls that need to be avoided during sampling, storage, and measurement of the four main carbonate chemistry parameters, i.e. dissolved inorganic carbon (DIC), total alkalinity (TA), pH, and CO2 fugacity (fCO2). Finally, we also discuss considerations in regard to calculating carbonate chemistry speciation from two measured parameters. Key findings are that (1) theoretical CO2 uptake potential (global mean of 0.84 mol of CO2 per mole of TA added) based on carbonate chemistry calculations is probably secondary in determining the oceanic region in which OAE would be best; (2) carbonate chemistry sampling is recommended to involve gentle pressure filtration to remove calcium carbonate (CaCO3) that might have been precipitated upon TA increase as it would otherwise interfere with a number of analyses; (3) samples for DIC and TA can be stabilised to avoid the risk of secondary CaCO3 precipitation during sample storage; and (4) some OAE feedstocks require additional adjustments to carbonate chemistry speciation calculations using available programs and routines, for instance if seawater magnesium or calcium concentrations are modified.
Field experiments in ocean alkalinity enhancement research
Authors: Cyronak Tyler , Albright Rebecca , Bach Lennart T.
Published: November 2023

Abstract. This chapter focuses on considerations for conducting open-system field experiments in the context of ocean alkalinity enhancement (OAE) research. By conducting experiments in real-world marine and coastal systems, researchers can gain valuable insights into ecological dynamics; biogeochemical cycles; and the safety, efficacy, and scalability of OAE techniques under natural conditions. However, logistical constraints and complex natural dynamics pose challenges. To date, only a limited number of OAE field studies have been conducted, and guidelines for such experiments are still evolving. Due to the fast pace of carbon dioxide removal (CDR) research and development, we advocate for openly sharing data, knowledge, and lessons learned as quickly and efficiently as possible within the broader OAE community and beyond. Considering the potential ecological and societal consequences of field experiments, active engagement with the public and other stakeholders is desirable, while collaboration, data sharing, and transdisciplinary scientific teams can maximize the return on investment. The outcomes of early field experiments are likely to shape the future of OAE research, implementation, and public acceptance, emphasizing the need for transparent and open scientific practices.
Array processing in cryoseismology: a comparison to network-based approaches at an Antarctic ice stream
Authors: Hudson Thomas Samuel , Brisbourne Alex M. , Kufner Sofia-Katerina , Kendall J.-Michael , Smith Andy M.
Published: November 2023

Abstract. Seismicity at glaciers, ice sheets, and ice shelves provides observational constraint on a number of glaciological processes. Detecting and locating this seismicity, specifically icequakes, is a necessary first step in studying processes such as basal slip, crevassing, imaging ice fabric, and iceberg calving, for example. Most glacier deployments to date use conventional seismic networks, comprised of seismometers distributed over the entire area of interest. However, smaller-aperture seismic arrays can also be used, which are typically sensitive to seismicity distal from the array footprint and require a smaller number of instruments. Here, we investigate the potential of arrays and array-processing methods to detect and locate subsurface microseismicity at glaciers, benchmarking performance against conventional seismic-network-based methods for an example at an Antarctic ice stream. We also provide an array-processing recipe for body-wave cryoseismology applications. Results from an array and a network deployed at Rutford Ice Stream, Antarctica, show that arrays and networks both have strengths and weaknesses. Arrays can detect icequakes from further distances, whereas networks outperform arrays in more comprehensive studies of a particular process due to greater hypocentral constraint within the network extent. We also gain new insights into seismic behaviour at the Rutford Ice Stream. The array detects basal icequakes in what was previously interpreted to be an aseismic region of the bed, as well as new icequake observations downstream and at the ice stream shear margins, where it would be challenging to deploy instruments. Finally, we make some practical recommendations for future array deployments at glaciers.
Signature of the stratosphere–troposphere coupling on recent record-breaking Antarctic sea-ice anomalies
Authors: Cordero Raúl R. , Feron Sarah , Damiani Alessandro , Llanillo Pedro J. , Carrasco Jorge , Khan Alia L. , Bintanja Richard , Ouyang Zutao , Casassa Gino
Published: November 2023

Abstract. In February 2023, the sea-ice extent around Antarctica dropped to 1.79×106 km2, setting a satellite-era record low for the second straight year. Recent records stress the need for further research into the factors behind record-breaking Antarctic sea-ice anomalies. By influencing the circumpolar westerly winds, the stratospheric polar vortex has played a major role in the Antarctic surface climate in recent decades. However, the footprint of the polar vortex variability in the year-to-year changes in the Antarctic sea-ice cover remains obscured. Here, we use satellite retrievals and reanalysis data to study the response of the sea-ice extent around Antarctica to changes in the polar vortex strength. We focus on the last 2 decades that saw sharp changes in the stratospheric zonal flow, the tropospheric westerly winds and the sea-ice cover (the latter climbed to record highs in 2013 and 2014 before dropping to record lows in 2017, 2022 and 2023). Our results suggest that this unprecedented interannual variability is noticeably influenced by the polar vortex dynamics. The signature of the stratosphere–troposphere coupling is apparent in recent records (highs and lows) in the sea-ice extent around Antarctica.
NUMERICAL MODELING OF THE RIVERINE HEAT IMPACT ON ARCTIC ICE
Authors:   Institute of Computational Mathematics and Mathematical Geophysics, Siberian Branch, Russian Academy of Sciences, GRADOVA M.A. , GOLUBEVA E.N. ,   Institute of Computational Mathematics and Mathematical Geophysics, Siberian Branch, Russian Academy of Sciences
Published: November 2023

Three-dimensional numerical modeling is used to assess the sensitivity of the sea ice state in the Arctic deep-water basin to changing the riverine heat influx. The change in the sea ice volume due to the heat coming with river waters relative to its annual average value is analyzed. Numerical experiment results demonstrate an increase in the riverine heat contribution to the Arctic sea ice decline at the end of the second decade of the present century. This process is most manifested in the deep-water part of the Eastern Hemisphere, which is determined by immediate proximity to the largest Siberia’s rivers and the system of the circulation of shelf seas and deep-water basins under conditions of increasing air temperature and sea ice reduction in the Arctic.
THE ROLE OF VERTICAL AND HORIZONTAL WIND SHEAR IN THE DEVELOPMENT OF QUASI-TROPICAL CYCLONES
Authors:   Hydrometeorological Research Center of the Russian Federation, ZARIPOV R.B. ,   Central Aerological Observatory, KRUPCHATNIKOV V.N. ,   Institute of Numerical Mathematics and Mathematical Geophysics, Siberian Branch, Russian Academy of Sciences,   Siberian Regional Research Hydrometeorological Institute,   Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences, PAVLYUKOV YU.B. ,   Central Aerological Observatory
Published: November 2023

Cloud-resolving modeling has been implemented to investigate a lifecycle of two quasi-tropical cyclones (QTCs) over the Black and Mediterranean seas in September 2005 and 2018. The formation of the Mediterranean QTC under the influence of the PV streamer and the problems of predicting this phenomenon are considered. The influence of the mesocyclone wind system on cumulus convection is studied, while mesocyclone winds are assumed to be axisymmetric for simplicity. It has been found for the largest and most intense QTCs that vertical wind shear may lead to the formation of supercellular storms, but to a rather limited extent and as a result of deviations of mesocyclone currents from the axial symmetry. In small intense QTCs, horizontal wind shear can suppress convection over a certain range of distances from the center of a cyclone, leading to a release of latent heat closer to it.
DEVELOPMENT OF A STOCHASTIC “WEATHER GENERATOR” FOR SIMULATING JOINT METEOROLOGICAL TIME SERIES IN THE ARCTIC ZONE OF THE RUSSIAN FEDERATION
Authors:   Institute of Computational Mathematics and Mathematical Geophysics, Siberian Branch, Russian Academy of Sciences, AKENT'EVA M.S. , KARGAPOLOVA N.A. ,   Institute of Computational Mathematics and Mathematical Geophysics, Siberian Branch, Russian Academy of Sciences,   Novosibirsk State University
Published: November 2023

A stochastic weather generator is proposed in the paper. The model is designed for the numerical simulation of joint time series of surface air temperature, wind speed, and relative air humidity with a three-hour resolution at weather stations located in the Russian Arctic. The proposed weather generator allows taking into account the non-Gaussian form of one-dimensional distributions of meteorological parameters and the diurnal variations inherent to real series. The results of verifying the proposed model are presented, and the prospects of its further application are briefly described.
ANALISIS PENERIMAAN SISWA TERHADAP PENGGUNAAN APLIKASI UJIAN ONLINE BERBASIS KOMPUTER MENGGUNAKAN METODE TECHNOLOGY ACCEPTANCE MODEL
Authors: Atiqoh Afifah Nabila , Alfiriani Adlia , Novita Rini
Published: November 2023

The study aims to determine student acceptance of the Computer Based Test application at SMK Negeri 1 Sitiung. The type of research used is quantitative with the type of survey research. The method used in this research is the Technology Acceptance Model (TAM) method. The data analysis technique used is descriptive analysis and prerequisite test analysis. Based on the partial research results, the perceived ease of use (PEOU) variable obtained from the tcount value of 3.706> 1.677 with a significant value of 0.001 <0.05 means that H0 is rejected Ha is accepted. The perceived usefulness variable (PU) obtained from the tcount value of 1.841 < 1.677 with a significant value of 0.072> 0.05 means that H0 is accepted Ha is rejected. The attitude towards use (ATU) variable obtained from the tcount value of 6.244> 1.677 with a significant value of 0.001 <0.05 means that H0 is rejected Ha is accepted. Based on simultaneous research, the tcount value is 68,100> 2.80 and the sig value. 0.001 <0.05 this means H0 is rejected Ha is accepted. As for the effect of learning outcomes after using the application, previously students were less active in using the internet or computers since the use of the Computer Based Test application for the learning outcomes themselves, students are more active, especially playing an active role in using the internet.
THE INFLUENCE OF INTERNSHIP EXPERIENCE AND CAREER GUIDANCE ON STUDENT WORK READINESS: A QUANTITATIVE DESCRIPTIVE RESEARCH STUDY
Authors: Hakiki Muhammad , Budiman Ridho Dedy Arief , Firdaus Muhamad , Astiti Ayu Dewi
Published: November 2023

This study aims to investigate the impact of internship experience and career guidance on job readiness of Vocational High School (SMK) students in Information and Communication Technology (ICT) in Muara Bungo. The research method used is descriptive quantitative research with a comparative causal approach (Expost Facto). Data collection was done through indirect communication techniques, direct communication techniques, and documentary studies, using instruments in the form of questionnaires and documentation. The population of this study were all XII grade students at SMK N 1 Muara Bungo. The sampling technique used was Propotional Random Sampling. Data analysis was carried out with the following steps: (1) descriptive analysis; (2) prerequisite test analysis includes normality test, linearity test, and multicollinearity test; (3) hypothesis testing through simple regression analysis and multiple regression analysis. The results showed that internship experience has an influence of 45.5% on the work readiness of vocational students in the field of ICT in Muara Bungo. Furthermore, career guidance has an influence of 35.5% on the work readiness of the same students. Furthermore, the results show that pre-service learning experience and career guidance together have an influence of 54.9% on the work readiness of vocational students in the field of ICT in Muara Bungo.
SISTEM APLIKASI KEHADIRAN STAFF DESA BERBASIS WEB DENGAN MENGGUNAKAN PHP DAN MYSQL: STUDI DESA BESILAM KECAMATAN PADANG TUALANG
Authors: Putra Eka , Losi Rizky Vita , Harahap Sutan Putra Nauli
Published: November 2023

This research aims to design a website-based staff attendance application system using PHP and MySQL. This research was conducted at the Besilam Village Office, Padang Tualang District. This research uses qualitative methods with observational data collection techniques and literature studies. The process of storing attendance data for Besilam village staff still uses manual methods. Data storage like this can lead to insecure data. Therefore, researchers will create a computerized village staff attendance application system that is quite adequate web-based where php as the programming language and mysql xampp as the database. From the problems that have been obtained so that researchers can get a solution to their handling by implementing a web-based application for the presence of Besilam village staff. It can be concluded that the application made by researchers can help the village process staff attendance data quickly and safely
INTERACTIVE MULTIMEDIA AS INSTRUCTIONAL MEDIA FOR ELEMENTARY SCHOOL STUDENTS
Authors: Ratumbuisang Keith Francis , Ratumbuisang Yosua Fitsgerald
Published: November 2023

The purpose of this research id to develop an interactive multimedia as instructional media with Adobe Animate application on computer introduction material. To determine the feasibility of the interactive multimedia requires expert judgment in terms of materials and media as well as students. This is a Research and Development (R&D) which adapted from the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation), but only carried out until the Implementation. Validation is carried out by material experts, media experts, teachers, and students. Data collection techniques in this development research use a questionnaire. Data obtained from the questionnaire was then analyzed descriptively qualitatively and quantitatively. Based on four assessments which are material expert, media expert, teachers and students’ assessment, the level of feasibility of developed interactive instructional media is valid and worthy of being used as a computer introduction instructional media for Elementary school students. Thus, the use of this media helps connect students with enjoyable learning experience. As a result, a positive consequence of utilizing this interactive instructional media is that teacher must keep their materials up to date.
UPAYA PENINGKATAN HASIL BELAJAR IPS MATERI INTERAKSI ANTAR NEGARA ASIA DAN NEGARA LAINNYA MELALUI MODEL MAKE A MATCH: STUDI PENELITIAN TINDAKAN KELAS
Authors: Mungawanah Siti
Published: November 2023

Penelitian ini bertujuan untuk mendeskripsikan pelaksanaan model pembelajaran make a match untuk meningkatkan hasil belajar IPS materi interaksi antarnegara asia dan negara lainnya kelas 9E SMP Negeri 1 Tempuran tahun pelajaran 2022/2023. Penelitian ini merupakan penelitian tindakan kelas (PTK). Setiap siklus terdiri dari tiga tahap kegiatan, yaitu perencanaan, pelaksanaan tindakan dan observasi, serta refleksi. Subjek penelitian ini adalah siswa kelas 9E SMP Negeri 1 Tempuran Kabupaten Magelang dengan jumlah 31 siswa. Pengumpulan data dalam penelitian ini menggunakan lembar observasi aktivitas guru dan siswa serta tes tertulis. Teknik analisis data yang digunakan adalah deskriptif kualitatif dan deskriptif kuantitatif dengan persentase. Hasil penelitian menunjukkan peningkatan hasil belajar IPS materi interaksi antarnegara asia dan negara lainnya pada siswa kelas 9E SMP Negeri 1 Tempuran setelah pelaksanaan pembelajaran dengan model pembelajaran Make a Match pada siklus I secara rata-rata adalah 78,065 setelah dilakukan siklus II secara rata-rata adalah 85,16. Perubahan perilaku yang terjadi pada siswa kelas 9E SMP Negeri 1 Tempuran dalam pelaksanaan pembelajaran dengan model pembelajaran make a match untuk meningkatkan hasil belajar IPS materi interaksi antarnegara asia dan negara lainnya antara lain (a) siswa lebih mampu bekerja sama; (b) semua siswa lebih aktif dan antusias dalam pembelajaran; (c) siswa merasa gembira dan tidak jenuh dalam mengikuti pembelajaran; (d) dalam kegiatan pembelajaran siswa lebih jujur; (e) siswa lebih disiplin dan bertanggungjawab.
UPAYA PENINGKATAN HASIL BELAJAR MATEMATIKA MATERI PERSAMAAN KUADRAT MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE NUMBERED HEADS TOGETHER (NHT)
Authors: Hartuti Sri
Published: November 2023

Penelitian ini bertujuan untuk mendeskripsikan tingkat hasil belajar matematika siswa Kelas IXC SMP Negeri 1 Tempuran setelah setelah pelaksanaan Model Pembelajaran Kooperatif Tipe Numbered Heads Together (NHT). Penelitian ini merupakan penelitian tindakan kelas (PTK). Setiap siklus terdiri dari tiga tahap kegiatan, yaitu perencanaan, pelaksanaan tindakan dan observasi, serta refleksi. Subjek penelitian ini adalah siswa kelas IXC SMPN 1 Tempuran Kabupaten Magelang dengan jumlah 32 siswa. Pengumpulan data dalam penelitian ini menggunakan lembar observasi aktivitas guru dan siswa serta tes tertulis. Teknik analisis data yang digunakan adalah deskriptif kualitatif dan deskriptif kuantitatif dengan persentase. Hasil penelitian menunjukkan peningkatan hasil belajar Matematika materi Persamaan kuadrat pada siswa kelas IXC SMP Negeri 1 Tempuran setelah pelaksanaan pembelajaran dengan model pembelajaran kooperatif tipe NHT pada siklus I secara rata-rata adalah 74,88 setelah dilakukan siklus II secara rata-rata adalah 83,03. Perubahan perilaku yang terjadi pada siswa kelas IXC SMP Negeri 1 Tempuran dalam pelaksanaan pembelajaran dengan model kooperatif tipe NHT untuk meningkatkan hasil belajar Matematika materi Persamaan kuadrat antara lain sebagai berikut 1) siswa lebih disiplin dengan menunjukkan perilaku tertib dan patuh pada ketentuan yang diterapkan saat pembelajaran, 2) siswa mempunyai rasa ingin tahu yang tinggi terhadap permasalahan yang diberikan, 3) siswa memiliki  tanggung jawab yang tinggi terhadap tugas yang diberikan, 4) siswa lebih mampu bekerjasama dengan temannya, 5) siswa lebih percaya diri atas kemampuannya sendiri untuk melakukan kegiatan atau Tindakan, 6) siswa lebih jujur dan dapat dipercaya baik dalam perkataan, tindakan dan pekerjaan.
ASPECTS OF CLONALMICROPROPAGATION AND CONSERVATION OF PLANTS IN VITRO
Authors:   Khoja Akhmet Yassawi International Kazakh-Turkish, Salybekova N.N. , Fayzullaeva D.Sh. ,   Khoja Akhmet Yassawi International Kazakh-Turkish
Published: November 2023

Despite more than a century of research on effective biotechnological methods to reproduce various plant species, microclonal reproduction continues to be an important tool for large- scale production. The clonal seedlings of important species maintain genetic fidelity and do not contain pests. In some cases, microclonal propagation is the only method that contributes to the maintenance and economic value of specific agricultural plant species. Microclonal reproduction as a method has solved many phytosanitary problems and has allowed both expansion and access to high-quality plants for producers from different countries and economic conditions, thus effectively contributing to the expansion of agriculture now and in the foreseeable future. Currently, this method is widely used in the creation of planting material for crops for agriculture and cultivation of crops of industrial floriculture, fruit, berry crops and woody plants. Thanks to this method, it is possible to createin vitro banks of rare and valuable plant genotypes. Modern technologies of clonal micro-multiplication are at the stage of industrial flow, which quickly responds to market demands. The analysis of domestic and foreign sources of scientific research on microclonal plant propagation has shown that, at the present time, the cost of its use is quite high and requires the presence of laboratories with appropriate equipment and highly qualified staff. Modification and adaptation of the method of microclonal reproduction of plants contributes to the implementation of the morphogenetic potential, determines the specific features of the source material, the type of explant, its physiological state, the composition of nutrient media, and cultivation conditions.
FORMATION OF RESEARCH QUALIFICATIONS OF FUTURE BIOLOGISTS (ON THE EXAMPLE OF FUNGUS SPECIES)
Authors:   Ahmed Yasawi International Kazakh-turkish University,Turkestan city, Republic of Kazakhstan, Salybekova N.N. , Kamidin A.G. ,   Korkyt Ata Kyzylorda University, Kyzylorda city, Republic of Kazakhstan
Published: November 2023

Мақаламызда болашақ биолог мамандарын дайындауда жылыжайларда астықты зақымдайтын микромицет түрлерінің әсер ету ерекшеліктері, зиянын зерттеу бойынша мәліметтер, сонымен қатар олардың зерттеу нәтижелерін оқу барысында қолдану құрастырылады. Жұмыстың әр біркезеңінде зерттеу мәселесі бойыншa теориялық қорытындысы тәжірибелік эксперимент жұмысы ретінде тексеріледі және көрсетілген нәтижeлepдi салыстырмалы тұрғыдан тaлдaу жәнe жалпылап қорытындылау келешекте биолог педагогтардың тәжірибелік зерттеушілік іс-әрекетін қaлыптaстырудың алғашқы деңгейлерін aнықтaуғa мүмкiндiк бepдi. Бұл жұмыс білім беру орындарында биологияны зерттеушілік біліктілігінқалыптастыруға арналған. Зерттеушілік біліктілік қызметінің қалыптасуы білім алушылардың ерте кәсіптік бағдарлаудың негізгі әдісі болып табылады. Сонымен қaтaр отaндық және шетелдік әдіскер ғaлымдaрдың жұмыстaрынa шолу жaсaлынды. Биологиялық эксперимент кезінде aлынғaн биологиялық aқпaрaттaрды қолдaнa отырып aрнaйы дaйындaлғaн әдістеме педaгогикaлық тәжірибе кезінде сынaқтaн өткізілді. Педагогикалық іс-әрекеттер желісін құра отырып, педагог білім алушыларға білімді игеруге, оқу-танымдық іс-әрекет дағдыларын игеруге, белгілі бір жағдайда білімді қолдануды үйренуге және оң нәтижелерге қол жеткізуге көмектеседі. Болашақта білікті маман дайындау мақсаты оқу барысын ұйымдастыру және өтіп жатқан тақырыбы бойынша нәтиже алу жолдары қарастырылады.
GENERAL RULE OF TEACHING STUDENTS INTERESTED IN MATHEMATICS THE SECRET OF THE GOLDEN SECTION BASED ON THE FIBONACCI SEQUENCE
Authors:   Korkyt Ata Kyzylorda University, Kyzylorda city, Republic of Kazakhstan, Seylova Z.T.
Published: November 2023

«Алтын қима» ұғымының пайда болған уақытынан бері ғасырлар өтсе де, өзінің құндылығын, қолданбалылығын жойған жоқ. «Құдай жаратқан үйлесім» деген атқа ие болған, қарапайым бөліктер мен бүтіндер арасындағы қатынас ережесі, барлық салада әсемдік пен симметрияның үлгісі іспеттес.Зерттеу тақырыбы алтын қиманың тарихына қарай ойысса, ол туралы өзінің шығу тарихы ежелгі ұғым болса, соншалықты ол туралы айта беруге болады. Фибоначчи қатарының әрбір элементі арасындағы ерекше қатыспен өрнектелген бұл тұрақтының осы кезге дейінгі өміршеңдігінің қандай құпиясы бар?! Дегенмен де, біз бұл жолы тарихынан бұрын, оның қолданыс аясының кеңдігі туралы айта отырып, өзіндік ой-тұжырымдарымызбен бөліспекшіміз. Мақалада алтын қима қолданысының белгілі бір салалық қолданысы туралы емес, жалпы қолданыстары туралы баяндалады. Себебі, бізді бұл тақырыпқа жалпы, өз тарапымыздан қызығушылық алып келді. Айта беретін алтын қима құпиясы неде деген сұрақтарға жауап алғымыз келді. Алынған нәтижелері мен қолданыстары туралы тың пікірлердің шынайылығына, өлшеу және есептеу құралдарын қолдана отырып, көз жеткіздік. Алған нәтижелеріміз
EFFICIENT WAYS FOR SOLUTION OF PARAMETER INEQUALITIES
Authors:   Korkyt Ata Kyzylorda University, Kyzylorda city, Republic of Kazakhstan, Ibrayeva A.A. , Kainbayeva L.S. ,   Korkyt Ata Kyzylorda University, Kyzylorda city, Republic of Kazakhstan, Menlikhozhayeva S. K. ,   Korkyt Ata Kyzylorda University, Kyzylorda city, Republic of Kazakhstan
Published: November 2023

Бұл мақалада мектеп оқушылары қатысатын математикадан пәндік олимпиадалар тапсырмаларында қамтылатын параметрге тәуелді теңдеулер мен теңсіздіктерді шешу әдістері қарастырылады, нақты мысалдар арқылы шешу жолдары көрсетіледі. Мұндай есептерді шешу үшін қысқаша зерттеулер жүргізілуі қажет болғандықтан, мектеп оқушылары үшін өзіндік қиындықтар туындайды. Параметрге тәуелді есептердің дұрыс шешілуі мектеп оқушыларынан функциялардың, теңдеулер мен теңсіздіктердің қасиеттерін білумен қатар, алгебралық түрлендірулерді жүргізе білуін, сонымен қатар жоғары логикалық мәдениет пен зерттеу техникасын ұтымды пайдалану шеберлігін талап етеді. Параметрге тәуелді есептерді шешудің негізі ретінде мынадай принципті алуға болады: параметрдің мәні (немесе параметрлердің мәндері) ерікті түрде бекітілген деп саналады да, содан кейін бір белгісізден тұратын теңдеулер мен теңсіздіктерді шешу арқылы есептің шешімі ізделеді. Жауап ретінде зерттеуді қажет ететін есептің шартын қанағаттандыратын әрбір параметр мәні үшін шешімдердің тізімдері көрсетілуі қажет болады. Зерттеу жүргізу үшін, параметрдің барлық мәндерінің жиыны қандай да бір қасиеттері бойынша бөліктерге бөлініп алынады да, онан кейін әрбір бөліктегі берілген теңдеу немесе теңсіздіктің шешімі ізделінеді. Параметр мәндерінің жиыны ішкі жиындарға теңдеудің сапалық өзгерістері орын алатындай жағдайларға сәйкес бөлінеді.
PROFESSIONAL MOBILITY OF A MODERN TEACHER IS AN EFFECTIVE TOOL OF PEDAGOGICAL ACTIVITY IN A MULTICULTURAL EDUCATIONAL SPACE
Authors:   FGBOY WO Naberezhnye Chelny State Pedagogical University, Naberezhnye Chelny city, Russia, Tatarstan, Markova N.G
Published: November 2023

В данной статье автором рассматривается профессиональная мобильность современного преподавателя в поликультурном образовательном пространстве вуза и характеризуется как многомерное понятие, как значимое личностное качество личности, как оптимальный инструмент преподавателя в профессиональной деятельности. В статье рассмотрены виды готовности преподавателя и их содержательные компоненты, которые являются важными составляющими профессиональной мобильности преподавателя. Актуализируется процесс формирования профессиональной мобильности современного преподавателя в поликультурном образовательном пространстве вуза на основе индивидуальной интеллект – программы, спроектированной преподавателем. Результатом усвоения интеллект – программы является сформированность профессиональной мобильности современного преподавателя как действенного инструмента педагогической деятельности. Особенностью педагогической профессии является важное отличие от других профессий – это взаимодействие в системе «человек-человек». Именно готовность мобильного педагога сможет качественно управлять развитием обучающихся в учебно – воспитательном процессом в поликультурном образовательном пространстве, развивать их интеллектуально, готовить к конструктивным межкультурным взаимодействиям, видеть прекрасное и дорожить им, формировать духовный мир обучающихся, учить решать задачи разной сложности и возникающие жизненные проблемы. Мобильный преподаватель профессионально готов проектировать педагогические условия, которые позволяют обучающимся развивать свой потенциал и системно заниматься самообразованием.
EFFECTIVE USE OF INNOVATIVE AND INTERACTIVE TEACHING METHODS
Authors:   Kokand Pedagogical Institute named after Mukimi, Uzbekistan, Fergana region, Kokand, Salieva D.A. , Dastanbek A.D. ,   Korkyt Ata Kyzylorda University, Kyzylorda city, Kazakhstan, Shildebaeva L.K. ,   Korkyt Ata Kyzylorda University, Kyzylorda city, Kazakhstan, Bolatbekkyzy A. ,   Korkyt Ata Kyzylorda University, Kyzylorda city, Kazakhstan
Published: November 2023

Interactive learning is rightly distinguished by the fact that during the learning process the student can remember more about how to open his personal and professional kabilets, analyze documentarily, using life knowledge, etc. A negative belief is an assessment of the knowledge gained by students, their activity in completing the task. Interactionism consists in the fact that the processes of timeless reading consist of actions aimed at creating a Keri-connection between themselves in the process of cognition of all involvement and, in particular, in what they know and think about. The modern society "Kazyna" has become one of the most popular in the field of informatization of teachers in the field of information and communication technologies. The Law of the Republic of Kazakhstan On Education states: "the beginning of the education system is what needs to be done to master educational programs." One of them is a computer, which is a didactic and educational tool for transmitting information. Therefore, multimedia electronic textbooks for any field of education are used to study all disciplines. The XXI century is an era when the information society carefully considers the era, the culture of technology, the environment, human health, professional culture. Excellent education informing-the use of new information technologies involves improving the efficiency and quality of the educational process with the realization of the goal of developing learning, an individual approach to learning.
Particularidades que muestran las medidas cautelares personales cuando el investigado presenta indicios de enfermedad o trastorno mental (LECrim y Anteproyecto de 2020: especial referencia al internamiento en centro psiquiátrico)
Authors: Tomé García José Antonio
Published: November 2023

En este trabajo se analizan las novedades que introduce el Anteproyecto de Ley de Enjuiciamiento Criminal de 2020 en cuanto a las medidas cautelares personales que se pueden acordar en el proceso penal cuando el investigado presenta indicios de enfermedad o trastorno mental, dedicando una especial atención al estudio del internamiento cautelar del investigado en centro psiquiátrico.
Allium goumenissanum (Allium sect. Codonoprasum), a new species for Bulgaria and new localities in Greece: testing an integrated approach to species identification
Authors: Vojtěchová Kateřina , Kobrlová Lucie , Kitner Miloslav , Kalous Roman , Ioannidis Vassilis , Tzanoudakis Dimitris , Duchoslav Martin
Published: November 2023

Allium sect. Codonoprasum represents an evolutionarily young and rapidly radiating group of bulbous geophytes, with a significant proportion of polyploids and minor morphological differences between species. In the last 20 years, dozens of new species of this section have been described from the Mediterranean. Still, very little new information has been obtained on most of them since their description, especially concerning cytogenetic, molecular, and distribution data. Allium goumenissanum is a recently described species of this section, known only from three nearby localities in northern Greece. During the last 10 years, the senior authors' team collected population samples of an unknown species of this section from the southern Balkans, which appeared to be representative of A. goumenissanum. Using an integrated approach employing a range of methods (cytogenic, molecular, morpho- and micromorphological methods), the populations of an unknown species were compared with morphologically similar species A. goumenissanum and A. stamatiadae. AFLP, ITS sequencing and genome size analyses revealed that all the populations of the unknown species represent A. goumenissanum, and that this species is differentiated genetically and in genome size from A. stamatiadae. ITS sequencing indicates an allotriploid origin of A. goumenissanum from unknown ancestors. The characterization of the morphology and reproduction of A. goumenissanum is completed and micromorphological and anatomical characteristics of the leaves of both species are newly published. The distribution of A. goumenissanum, based on new data, now includes a more extensive area of north central Greece and the species has been found as a new one for Bulgaria.
Książki hagiograficzne wydrukowane w Polsce do połowy XVI w.
Authors: Dyl Janusz
Published: November 2023

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Likwidacja unickiej diecezji chełmskiej i próby jej wznowienia
Authors: Grabowski Roman
Published: November 2023

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Aplikasi Loka Pasar Medan Creative Market Terintegrasi Dengan Midtrans Payment Gateway Di Dinas Pariwisata Kota Medan
Authors: M Taufiq Rachman Siregar  , Ilka Zufria  , Raissa Amanda Putri
Published: November 2023

Ekonomi kereatif adalah salah satu bidang di Dinas Pariwisata kota Medan. Medan Creative Market adalah salah satu program kerja bidang ekonomi kreatif Medan Creative Market merupakan sarana yang menyediakan ragam produk yang memfokuskan sub sektor ekonomi kreatif, saat ini Medan Creative Market masih menggunakan sistem transaksi yang masih menggunakan facebook sebagai basis yang mempertemukan penjual dan pembeli. Sistem yang seperti itu kurang efisien karena informasi tentang produk yang didapat kurang lengkap serta metode pembayaran yang masih bergantung kepada kesepakatan bersama. Dengan adanya aplikasi marketplace berbasis website diharapkan dapat membantu para pelaku ekonomi kreatif di kota Medan memasarkan produknya. Hasil penelitian menunjukkan sebuah aplikasi lokapasar Medan creative market berbasis website yang terintegrasi dengan payment gateway midtrans sehingga diharapkan dapat membantu pengguna untuk mengakses informasi mengenai produk yang dijual dan melakukan transaksi di Medan Creative Market.

Kata kunci: Ekonomi Kreatif, Marketplace, Midtrans Payment Gateway