西塔尔沙漠的微型集水灌溉系统印度西塔尔沙漠，是一个沙丘交错的平原，间有起伏。土壤为风积细沙和沙壤土。这一地区的地面排水受沙丘的限制。在中等深度和浅层有地质隔层影响垂直排水。夏天的气候干旱和炎热，冬季寒冷和干燥。年降雨量变化大，１００ｍｍ至２００ｍｍ。... Sithal Desert Micro-catchment Irrigation system The Citadel of India, a sand-dune plains with ups and downs. Soil aeolian sand and sandy loam. Surface drainage in this area is limited by dunes. Vertical drainage is affected by the presence of geological barriers in the middle and shallow depths. The weather in summer is arid and hot, the winter is cold and dry. Large changes in rainfall, 100mm to 200mm. ...