POTENSI SUMBERDAYA AIR DI SELATAN GUNUNG TAMPOMAS SELATAN KABUPATEN SUMEDANG JAWA BARAT

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Wahyu Garinas

Abstract

Tampomas mountain areas can be divided 2 types of aquifer : volcano
sediment aquifer and sediment aquifer. Volcano sediment aquifer is a
free aquifer sedimentation, because there was not impermeable rock
existing under or bellow it, this aquifer also known as shallow or surface
aquifer. Sediment aquifer is a depressed aquifer where the water flow
along the sandstone layer which covered by claystone and water flow
through the pore. This sediment aquifer are deep aquifer. Ground water
at sumedang area can be divide as : ground water on volcanic quarter
sedimentation and ground water on consolidate rock.
The type of water source at the reaserch area can be devide into 3 ways
: Depressed water resources formed by land surface which is cutting
the watter table, Shear water source which formed by the crack / shear
structure or sesar path, and contact water source which shown at the
tertiery rock (impermeable) and quartery rock (permeable).
This reaserch using geofisical methode Imaging Resistivity to result
interpretation that on the south Tampomas Mountain predicted had 4
aquifer potention resource (A,B,C,D), whith aquifer thickness vaariated
from (5-15)m, (30-50)m and more than 50 m. Several water source
surface cases found in this reaserch area at 20-30 m depth which predict
as the water table. This indicated there are very large aquifer at 500 m
level and assume this level as a potential places for ground water exist
at the south Tampomas mountain.

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RESEARCH ARTICLES