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Kumalajati, Erlynda
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Agriculture, Biological Sciences & Forestry Environmental Science

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MENENTUKAN ARAHAN FUNGSI LAHAN DAERAH ALIRAN SUNGAI NOELMINA DENGAN APLIKASI SISTEM INFORMASI GEOGRAFIS (SIG) Kumalajati, Erlynda
ForestSains Vol 14, No 2 (2017): Juni
Publisher : Universitas Tadulako

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Abstract

Data processing using Geographic Information System (GIS) can provide some spatial and attributes information, including information for determining the area function direction. Area function direction of Noelmina watershed in East Nusa Tenggara was determined based on the function determination criterias, Keputusan Presiden Nomor 32 Tahun 1990 on protective area management and SK Menteri Pertanian Nomor 837/KPTS/ Um/11/1980 and 683/KPTS/Um/8/1981 on the criteria and procedures of protected and production forests establishment. The study objectives is to classify Noelmina watershed area using GIS application and the latest rainfall data.  The classification of Noelmina watershed area indicates that Noelmina watershed is classified into 4 area functional directions, ie the protected zone area of 58,395.22 ha, the buffer zone area of 94,094.26 ha, the annual cultivation area of 19,517.48 ha, and the crop cultivation area of 25,144.46 ha. The dominant function area is the buffer zone area of 47,73% from watershed area.
ANALISIS NERACA AIR SECARA METEOROLOGIS DI DAS KEDUANG, JAWA TENGAH Kumalajati, Erlynda; Sabarnudin, Sambas; Budiadi; Sudira, Putu
Jurnal Wana Tropika Vol 5 No 1 (2015)
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

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Study on meteorological water balance in Keduang watershed, Central Java, aimed to find a balance between the need and meteorological availability of water in the Keduang watershed. Water demand is calculated by using the standard water requirements for this type of irrigation and non-irrigation needs. Types of non-irrigation water requirements include the need for water for domestic, office buildings, health facilities, lodging / hotels, educational facilities, religious facilities, industries, and markets, as well as livestock. Standards need water used is ISO 19-6728.1-2002 and Planning Criteria DGHS Department of Public Works in 1996. The availability of water is calculated using the water balance approach meteorological Turc-Langbein. The data used is the data in 2013 and analyzed using quantitative description.The results showed that 1) the need for water in the Keduang watershed 81,063,567.42 m3 / year, while 2) the availability of water in the meteorological amounted 280,160,992.62 m3 / year so that the difference amounted to 199,097,425.19 water m3 / year. From the results of these calculations, we can conclude that the water availability in the Keduang watershed is sufficient for fullfilling the water requirements. Keywords : Water requirements, water availability, water balance, Keduang watershed
ANALISIS NERACA AIR SECARA METEOROLOGIS DI DAS KEDUANG, JAWA TENGAH Kumalajati, Erlynda; Sabarnudin, Sambas; Budiadi; Sudira, Putu
Jurnal Wana Tropika Vol 5 No 1 (2015)
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Study on meteorological water balance in Keduang watershed, Central Java, aimed to find a balance between the need and meteorological availability of water in the Keduang watershed. Water demand is calculated by using the standard water requirements for this type of irrigation and non-irrigation needs. Types of non-irrigation water requirements include the need for water for domestic, office buildings, health facilities, lodging / hotels, educational facilities, religious facilities, industries, and markets, as well as livestock. Standards need water used is ISO 19-6728.1-2002 and Planning Criteria DGHS Department of Public Works in 1996. The availability of water is calculated using the water balance approach meteorological Turc-Langbein. The data used is the data in 2013 and analyzed using quantitative description.The results showed that 1) the need for water in the Keduang watershed 81,063,567.42 m3 / year, while 2) the availability of water in the meteorological amounted 280,160,992.62 m3 / year so that the difference amounted to 199,097,425.19 water m3 / year. From the results of these calculations, we can conclude that the water availability in the Keduang watershed is sufficient for fullfilling the water requirements. Keywords : Water requirements, water availability, water balance, Keduang watershed
Co-Authors Budiadi Putu Sudira Sabarnudin, Sambas