新疆空中水资源和地表水资源变化特征研究

doi:10.13866/j.azr.2024.02.01

Abstract

Abstract:

The scarcity of water resources is the most critical natural factor impeding high-quality economic and social development and ecological security in Xinjiang. This paper systematically analyzes trends in precipitation, atmospheric water resources, and surface water resources in Xinjiang. It also establishes the conversion relationship between different water resources in Xinjiang. The findings reveal that annual precipitation water resources amount to 2717.12×10⁸ m³, with water vapor input reaching 21115×10⁸ m³, resulting in a net water vapor income of 347.5×10⁸m³. Between 1961 and 2022, Xinjiang experienced a 12.5% increase in precipitation conversion. The annual total water resources in Xinjiang is 912.3×10⁸ m³, where surface water resources constituted 864.1×10⁸ m³ from 2001 to 2020, resulting in a water yield coefficient of 0.32. The observed trends show a significant increase in annual precipitation in Xinjiang, a slight decrease in total water vapor input, a marginal increase in net water vapor income, and a significant increase in precipitation conversion between 1961 and 2022. Although surface water resources in Xinjiang are abundant, the water yield coefficient exhibited a weak fluctuating decreasing trend from 2001 to 2020. Nevertheless, prominent issues persist in water resources research in Xinjiang, including insufficient studies on precipitation water resource volumes, understanding of cloud water resource characteristics, and continuous monitoring of the physical process of cloud precipitation. To address these challenges, it is imperative to conduct comprehensive scientific field experiments on cloud precipitation physics, including strengthening research on the physical processes of cloud precipitation, refining cloud water resource assessments, and examining precipitation efficiency and water increase effects within typical cloud systems. These studies will aid in developing cloud water resources and air-groundwater resources joint control technology for arid areas.

Key words: atmospheric water resource, surface water resource, water yield coefficient, change, Xinjiang

YAO Junqiang. Change in atmospheric and surface water resource in Xinjiang[J].Arid Zone Research, 2024, 41(2): 181-190.

Figures/Tables 8

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水汽通量	春季	夏季	秋季	冬季	年
西边界	5251.9	8243.1	5454	2899.8	21848.8
东边界	4841.4	7660.1	5300.1	3018.2	20819.8
南边界	375.8	265.2	716.3	583	1940.3
北边界	-446.3	-976.9	-869.9	-320.4	-2613.5
总输入	5120.2	7531.4	5300.4	3162.7	21115
总输出	4788.8	7660.1	5300.1	3018.2	20767
净收支	331.4	-128.8	0.3	144.6	347.5

Change in atmospheric and surface water resource in Xinjiang

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