Judul: Study on the Impact of Monsoon and EL-Nino Southern Oscillation (ENSO) on the Rainfall in Aceh
Abstrak: Iklim dan cuaca di Indonesia dibentuk oleh berbagai fenomena, baik fenomena yang berasal dari luar maupun dari dalam wilayah Indonesia. Beberapa fenomena yang mempengaruhi wilayah Indonesia tersebut ialah monsun dan El-Nino (McBride, 1992). Daerah Istimewa Aceh yang terletak di ujung Indonesia bagian utara dan barat tidak terlepas dari pengaruh monsun dan El-Nino. Namun pengaruh monsun dan El-Nino terhadap curah hujan di Aceh belum banyak diketahui, sehingga diperlukan penelitian untuk melihat pengaruh tersebut. Penelitian ini bertujuan untuk mengetahui pengaruh monsun dan El-Nino terhadap curah hujan di Aceh. Metode yang digunakan dalam penelitian ini ialah rata-rata, simpangan, koefisien korelasi, koefisien keragaman, dan uji F, yang ditampilkan dalam bentuk grafik maupun tabel, untuk menerangkan pengaruh monsun dan El-Nino tersebut. Hasil penelitian ini menunjukkan bahwa Aceh merupakan wilayah yang memiliki dua puncak hujan, yaitu pada bulan April dan Oktober. Hal tersebut dipengaruhi letak wilayah Aceh yang berada di dekat ekuator. Monsun juga mempengaruhi curah hujan di Aceh. Pengaruh monsun ini lebih besar di Aceh bagian utara, yaitu di Stasiun Blang Bintang dan Sabang Meteo. Berdasarkan data curah hujan di kedua stasiun tersebut, pada saat Monsun Timur Laut, curah hujan di Aceh melebihi rata-rata curah hujan bulanannya, sedangkan ketika terjadi Monsun Barat Daya, curah hujan di Aceh dibawah rata- rata curah hujan bulanannya. El-Nino kurang mempengaruhi curah hujan di Aceh. Pengaruh El-Nino tersebut terlihat pada bulan Juli-Agustus (Monsun Barat Daya) dan bulan Desember-Februari (Monsun Timur Laut).
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Judul: El Niño Modoki dan Pengaruhnya Terhadap Perilaku Curah Hujan Monsunal di Indonesia
Abstrak: This study aims to investigate El Niño Modoki phenomenon and its influence to the monsoonal rainfall behavior over Indonesia. The study is also intended to identify the differences between the El Nino Modoki and the well-known El Nino events, referred in this study as Conventional El Niño. By using correlation analysis, it is shown that the El Nino Modoki Index, known as EMI, is strongly correlated with SST anomaly index in Nino-4 region. The correlation coefficient value is 0.57, which is higher than the EMI’s correlations with other SST anomaly indices from different Nino regions, i.e. Nino-1.2, Nino-3 and Nino-4. Temporal analysis on both Nino-4 index and EMI by using Power Spectral Density shows a different strength in the temporal cycle of both indices, where Nino-4 data demonstrates a strong 4-5 year interannual cycles, while EMI is dominated by 6–8 years cycles. This is consistent with the result of Wavelet analysis that indicates four years interannual cycles of Nino-4 index and nearly decadal (~10 years) cycles of EMI data. The composite of seven El Nino Modoki events in 1986/87, 1990/91, 1992/93, 1994/95, 2002/2003, 2004/2005, and 2009/2010, generally shows that the El Nino Modoki events indicated by the raise of EMI exceeding its defined threshold usually occurred from July to March. It is shown by clear characteristics of growing phase starting from March or April until January, and continued by decreasing phase around February. Based on the results of regression analysis, the El Nino Modoki strongly influence monsoonal rainfall over Sumbawa Besar, Makassar, and Banjar Baru during both June-July-August (JJA) and September-October-November (SON) periods, over Lampung only during JJA, and Indramayu during SON. The use of EMI which includes information about the SST anomaly around Indonesia led to a significant cross-correlation values between monsoonal rainfall anomaly and EMI with only maximum of one month lag time.
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Judul: Studi Kasus Liver Neoplasia pada Anjing Shih Tzu
Abstrak: Liver neoplasia is the excessive and uncontrolled replication of hepatocytes that forms nodules visible in ultrasonography. The purpose of this study is to study and discuss the characteristic, diagnosis and treatment of liver neoplasm through the interpretation of ultrasonography and hematology in a Shih Tzu dog. Ultrasonography is conducted with a Chison Q8 ultrasound machine with a 5 to 7 MHz frequency convex probe on lateral recumbency. The blood cells, liver enzymes and nodules sizes were the main parameters in this study. The results in the period of three years from 2021 to 2023 were interpreted and supported with secondary data sources. The Shih Tzu dog is 14 years old in the year 2023 with a body weight of 5.21kg. No obvious clinical signs were observed during previous examinations. However, lethargy, vomiting and anorexia were recorded in its latest examination. Thrombocytosis, granulocytosis, high liver enzymes and hypoglycemia, which are some of the neoplastic clinical manifestations were also presented by this patient. Besides, liver neoplasm, spleen neoplasm and biliary sludge were the sonogram findings of this patient. The liver and spleen neoplasm was observed stable, while the biliary sludge volume fluctuated. The treatment strategy recorded is Ondansetron, Samylin®, Ornipural and Ursodeoxycholic acid.
Keyword: Blood biochemistry profile, Hematology, Liver Neoplasia, Shih Tzu, Ultrasonography