РЕЗУЛЬТАТЫ ИССЛЕДОВАНИЙ ПО СБОРУ И ИСПОЛЬЗОВАНИЮ АТМОСФЕРНЫХ ОСАДКОВ ДЛЯ НУЖД НАСЕЛЕНИЯ В АГРОЛАНДШАФТАХ БАССЕЙНА Р. КЫЗЫЛСУ-ЮЖНАЯ

Abstract

The technologies of precipitation collection and usage are widely developed and used in the countries of South Asia, Eastern Africa, the Caribbean basin and in other countries. The collected water resources are used to meet the household needs of the population, cattle watering and the surplus for irrigation of agricultural crops on farm lands. In Tajikistan there are also used simple rainwater collecting systems, however, their parameters are not linked to the precipitation regularities and water use norms for various purposes, the systems are not scientifically substantiated, they do not have water balance calculations and their cost is high. Therefore, it is very relevant to develop and install low-cost systems for collecting, storing and using precipitation for household needs and irrigation of agricultural crops in household plots with applying water-saving technologies. According to results of investigations carried out in the hilly, foothill and low-mountain agro-landscapes of the Kyzylsu-southern river basin of Tajikistan there was found an average water catchment area in households based on field experiments and proposed a low-cost system for collecting and storing precipitation from rooftops of buildings and outbuildings of households with a volume up to 10 m3, cost about 332 US dollars and coefficient of efficiency of rainfall collection 90.5…93.3%.