New insights into water cycle in permafrost region of northern Greater Khingan Mountains, China

被引：4

作者：

Ma, Fenyan ^{[1
]}

Chen, Jiansheng ^{[1
,2
]}

Zhan, Lucheng ^{[3
]}

Zhang, Xi ^{[2
]}

Yan, Jiaheng ^{[1
]}

Wang, Wenfeng ^{[1
]}

机构：

[1] Hohai Univ, Coll Civil & Transportat Engn, Nanjing 210098, Peoples R China

[2] Hohai Univ, Sch Earth Sci & Engn, Nanjing 211100, Peoples R China

[3] Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Peoples R China

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 330卷 / 03期

关键词：

Subpermafrost groundwater; Water cycle; Environmental isotopes; Permafrost thawing; SPATIAL-DISTRIBUTION; GROUNDWATER-FLOW; CLIMATE; NDVI; IMPACT; COVER;

D O I：

10.1007/s10967-021-08013-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This study investigated the influence of precipitation and temperature on the runoff and forest growth in the northern Greater Khingan Mountains of China through the hydrology, hydrochemistry and remote sensing methods. The rivers were found to be recharged not only by precipitation, but also by subpermafrost groundwater through water balance calculation and the relationships between precipitation, temperature and runoff. The stable isotope compositions of the river and groundwater more depleted than local precipitation indicating the great contribution of subpermafrost groundwater to runoff. Participation of subpermafrost groundwater makes the forest-permafrost water cycle in the northern Greater Khingan Mountains unique.

引用

页码：631 / 642

页数：12

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