Open AccessModelling 2D water table and soil moisture distribution in a field installed with sub surface drainage
Author(s) -
Satyanto Krido Saptomo,
Chusnul Arif,
Willy Bayuardi Suwarno,
. Rudiyanto,
Muhamad Askari,
Hiroshi Matsuda,
Koremasa Tamura,
Youichi Inoue,
Budi Indra Setiawan
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/622/1/012049
Subject(s) - drainage , water table , water content , environmental science , hydrology (agriculture) , channel (broadcasting) , soil texture , figuring , current (fluid) , water flow , moisture , water level , well drainage , geotechnical engineering , soil science , soil water , geology , engineering , groundwater , geography , meteorology , ecology , oceanography , physics , electrical engineering , optics , cartography , biology
The present study is part of the development of an environment-friendly water management system based on sub surface drainage technology. It is aimed at creating a multipurpose farmland with expectation of increase in both benefits and productivity. Sub-surface drainage pipes which are installed inside mole-drain, functions as water channel that flows water into the drainage channel. Simulation was run using a 2D numerical soil water flow model based on Richard’s equation. It integrates varying soil textures with aim of figuring the optimum setting of sub-drains in response to soil textures. The depth of sub-drain was established at 40cm beneath the surface for all conditions as it is the current installation available in Indonesia. Our simulation shows the variation of soil moisture and pressure over distance, time and different textures under specified spacing of sub-surface installation.