KEADAAN GEOGRAFI 1d819Dullah Utara Dalam Angka 2013

Dullah Utara Dalam Angka 2013 4 2. Kelembaban rata-rata 82,7, penyinaran matahari rata-rata 53,9 dan tekanan udara rata-rata 1.009,3 milibar Tabel 1.4.3.. Hidrologi a. S u n g a i Tidak ada sungai besar yang terletak di Kecamatan Dullah Utara. b. D a n a u Danau-danau yang terletak di Kecamatan Dullah Utara adalah Danau Fanil di Desa Fiditan, Danau Waren di Desa Ohoitel dan Danau Taman Anggrek di Desa Ngadi. Banyaknya Gempa Bumi yang tercatat serta Frekwensi Gempa dari Stasiun Geofisika Tual dapat dilihat pada Tabel 1.4.1 dan Tabel 1.4.2. Dullah Utara Dalam Angka 2013 5

1. GEOGRAPHICAL SITUATION

Geographic Location District of Dullah Utara is astronomically located between 5° 26 – 5° 38 South Latitudes and 132° 41 – 132° 49 East Longitudes. Geographically District of Dullah Utara is bordered by : Northern border : Banda Sea Southern border : District of Dullah Selatan Eastern border : Nerong Strait Western border : Banda Sea Topography Based on its topography, Dullah Utara is a flat area of 70,85 Km 2 located between 0 - 20 meters above the sea level, with the highest peak is located in Bukit Masbait, Village of Kelanit. Geology Based on Indonesian Geology Map [1965] , Island Archipelago in the Regency of Maluku Tenggara are formed by 3 kinds soil and 5 kinds rock see the Table 1.2.3. Climate The Climate of Dullah Utara is influenced by Banda Sea, Arafura Sea and Indonesian Ocean, and also by Irian island in the eastern part, and Australian continent in the southern part, so that there is an uncertainty on seasonal transition period. a. Type of Climate Based on Agroclimate Classification by OLDEMAN, IRSAL and MULADI [1981] , District of Dullah Utara is classified in Zone C2 with number of wet month 5 - 6 months and dry month 4 - 5 months. Dullah Utara Dalam Angka 2013 6 b. Season 1. Regularly, East Wind Season start from April to October. This season is a dry season. West Wind Season start from October to April. December to February is the period with heaviest rainfall. 2. Seasonal transitions fall in MarchApril and OctoberNovember. 3. From April to October wind blows East and South East. Hard wind blows in January and February followed by heavy rain and rough sea. 4. During April to September 91 wind blows East, South East and South with South East wind 61 dominance. 5. From October to March blows North West wind 50 with North West dominance 28. c. Rainfall Average rainfall rate in Dullah Utara Island is between 2.000 – 3.000 mm per year. In the District of Dullah Utara through the year of 2012 rainfall rate is 2.149,4 mm per year or 179,12 mm per month average with 184 rainy days per year or 15,33 rainy days average per month. d. Temperature, Humidity, Solar Illumination and Athmospheric Pressure 1. Particulary in the year 2012, based on the given record from Dumatubun Meteorology Station, Langgur, average temperature is 27,1 ºC with minimum temperature 24,4 ºC and maximum 31,4 ºC 2. The average humidity 82,7,, average solar illumination 53,9 and average atmosperical pressure at 1.009,3 milibar Table 1.4.3.. Dullah Utara Dalam Angka 2013 7 Hidrology a. R i v e r s There’s no big river located on District of Dullah Utara. b. L a k e s There are 2 lakes on District of Dullah Utara. They are Lake Fanil in Village of Fiditan, Lake Waren in Village of Ohoitel and lake Taman anggrek in village of Ngadi. Earthquakes frequency recorded in Tual Geophysics Station can bee seen in the Table 1.4.1 and Table 1.4.2.