Judul: Studi analisis hidrolis pada undersluice sebagai konstruksi pelengkap bendung untuk pengendalian sedimen
Abstrak: Tujuan dari penelitian ini adalah untuk mempelajari pengaruh debit aliran, tinggi lubang undersluice, bukaan pintu undersluice terhadap tinggi muka air di hulu tinggi muka air di hilir, serta kecepatan aliran di lubang, mendekati lubang undersluice, serta di pintu undersluice. 1 Penambahan bukaan pintu undersluice pada keadaan free flow akan mengakibatkan penurunan elevasi di hulu under- sluice, dan sebaliknya. Kecepatan aliran mendekati lubang undersluice semakin kecil dengan setiap penambahan debit. Hal ini diakibatkan karena penambahan elevasi muka air di hulu. Sedangkan pada penambahan debit yang sama kecepatan aliran di dalam lubang undersluice dan kecepatan aliran pada pintu under- sluice akan semakin besar pula. Kecepatan aliran di lubang undersluice akan sama dengan kecepatan aliran pada pintu undersluice. Koefisien pengaliran undersluice (C) didapatkan dengan membuat analisa regresi linear antara debit aliran dan parameter yang mempengaruhinya, sesuai dengan persamaan yang digunakan. Program komputer untuk parameternya pada undersluice dua mempredikS1 dimensi seperti elevası, dan kecepatan aliran. parameter- prototypenya, Hal 101 dilaku- kan dengan terlebih dahulu menentukan tinggi lubang under- sluice rencana.
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Judul: Analisa air limpasan permukaan: studi kasus daerah aliran sungai kecil Cibintinu di Bandung
Abstrak: Air limpasan, baik air limpasan permukaan maupun air limpasan bawah tanah merupakan faktor penting dalam proses hidrologi yang erat kaitannya dengan proses terjadinya erosi, banjir dan penyediaan air bagi kehidupan. Oleh karena itu mengetahui besarnya air limpasan ini, terutama air limpasan permukaan yang terjadi akibat suatu kejadian hujan merupakan suatu hal yang cukup penting. Tujuan penelitian ini adalah untuk mendapatkan suatu model simulasi yang dapat digunakan untuk menghitung besarnya air limpasan permukaan yang terjadi akibat satu kejadian hujan yang jatuh pada suatu daerah aliran sungai. Untuk mencapai tujuan di atas, maka dalam penelitian ini digunakan metoda simulasi, yaitu suatu metoda pendekatan masalah dengan mengintegrasikan model-model. Adapun model-model yang digunakan dalam simulasi yang disusun ini dan didasarkan pada konsep model yang dikemukakan oleh Linsley, Kohler dan Paulhus (1975) dan Beasley (1977) adalah model intersepsi, model infiltrasi dan nilai kapasitas penampungan daerah aliran sungai yang bersangkutan. Model- model tersebut juga merupakan hasil lain dari penelitian ini. ...
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Judul: Dog Ticks Infestation and Its Correlation to Tick-Borne Diseases.
Abstrak: Ticks infestation on dog could lead to itchiness, anemia, skin disorders, and tick-borne diseases, such as Ehrlichiosis, Babesiosis, Anaplasmosis and Rocky Mountain Spotted Fever. Besides dogs, Ehrlichiosis were known to be zoonotic. Pre-mature stage tick life cycle that occur outside its host, will enhance contacts between ticks and human. The study of ticks infestation and tick-borne diseases on the dog is necessary, because it has not a lot of information about the diversity, prevalence and degree of ticks infestation in Indonesia. Ticks survey, included ticks sampling and dogs blood test were performed at Animal Police Directorate Security Agency (Baharkam) and Atang Sendjaja Air Force (ATS). Meanwhile ticks sampling also data of cases of ticks infestation and diseases transmitted obtained from 21 veterinary clinics in Bogor, Jakarta and Bandung. All ticks samples stored in bottles containing 70% alcohol for identification. Blood tests performed for Ehrlichiosis, Babesiosis and Anaplasmosis diagnosis. The identification results of the 950 ticks samples that obtained from 97 dogs of Baharkam, ATS and veterinary clinics in Bogor, Jakarta and Bandung, showed only one ticks species, Rhipicephalus sanguineus. This ticks belong to three-host tick, which require three hosts to complete its life cycle. Each ticks stage need a host, either same dog (if it is in place there is only one or a few dogs), as well as different dogs. Research in Baharkam conducted on 81 dogs (53 males and 28 females). The prevalence of dogs infested by ticks was 67.90%. The percentage of male dogs that infested by ticks are larger (69.81%) than female (64.29%). Based on Chi-Square test, there was no relationship between sex and breed of dog with degree of ticks infestation. Generally dogs infested with mild infestation category (41.98%), meanwhile moderate category was 18.52%, 2.47% high and 4.94% very high. The dog’s body region that the most infested by R. sanguineus was dog's back. Probably these body regions were be preferred because they are less accessible for the dog to remove them with its paws. Collection of ticks with tick-drag on Baharkam grass field showed positive results on the field that was more often used to practice by dogs. The samples that obtained was larvae stage ticks with density 152 larvae on 215m2 area of the field. Adult stage ticks and several adult females which laying eggs on the cage wall were obtained in the dog kennels. Whole of male and female ATS dogs infested with ticks (14 dogs). In general, dogs infested with very high infestation category was 64.29%, compared by high degree category (21.43%) and moderate (14.29%). Ticks predilection were found mostly on the dog’s head – neck. On ATS grass field did not reveal any ticks, but positively inside the kennels. It happens probably because dogs are rarely released from the kennel, so that the ticks was did drop-off inside the kennel. The total cases of ticks infestation of dogs at Bogor, Jakarta and Bandung veterinary clinics in 2008 until June 2013 as many as 731 cases. In general, there was an increases of the ticks infestation prevalence at three cities in that range
Keyword: Anaplasma, Babesia, Ehrlichia canis, Rhipicephalus sanguineus