Problems Of The Irrigation System In The
Turpan Basin Of China
Author(s)
T. Nagasawa, T. Yamamoto & A. Jalaldin
Abstract
The water resources of Turphan are composed of snow and glaciers from the
Tian Shang Mountains. People in Turphan have continued with a consolidated
agriculture method since old times, depending on traditional channels and
Kareez (underground conduits). In recent years, arable land has increased with
the population and the demands of the irrigated water have increased abruptly for
the assurance of productivity. Traditional systems of irrigation could not supply
the essential water to the extended arable land, so dams and wells have been
constructed for irrigation. The construction of large scale reservoirs, canals and
wells enabled the enlargement of the irrigated area and an increase in the
production of agricultural products. But, the excessive irrigation caused an
increase in the evapotranspiration and salinization. In conditions like this, the
extensive arable land has progressed to desertification and abandonment. The
more traditional systems of irrigation have been largely ignored because of the
interference problems caused by various facilities that have decreased the use of
traditional Kareez irrigation systems. The potentiality of water resources
development is comparatively small, judging from the present condition of water
use in Turphan, because the developed water resources must be utilized
effectively and strong measures must be taken to save irrigation. The
management of irrigation systems must be intensified, the new technology of
irrigation must be popularized and the efforts of saving water must be made for
the irrigation system
Keywords: Kareez, irrigation, Turpan basin, arid area.
1 Introduction
In an arid area, stable agricultural production depends heavily on irrigation.
Irrigation systems consist of intakes, irrigation/discharge canals and the irrigated
Keywords
Kareez, irrigation, Turpan basin, arid area.
Related Book
Other papers in this volume
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