西北师范大学学报（自然科学版）2024，Vol.60Issue(4)：1-11,11.DOI:10.16783/j.cnki.nwnuz.2024.04.001
2000-2020年青藏高原产水服务时空分布格局及影响因素
Spatial distribution pattern and influencing factors of water yield services in Qinghai-Tibet Plateau from 2000 to 2020
摘要
Abstract
Water yield service is an important part of ecosystem service,which plays an important role in ecosystem balance and regional sustainable development.Qinghai-Tibet Plateau(QTP)is the"Asian water tower",the source of the river in China and Asia,providing a large number of fresh water resources and water yield service.Based on the InVEST model,the spatial and temporal distribution of water yield service on the QTP from 2000 to 2020 is evaluated,and its spatial and temporal evolution characteristics,as well as the driving mechanisms of different factors such as climate,vegetation,soil,topography and land use on the spatial variation of water yield services are analyzed by using the geographical detector method.The results showed that the inter-annual variation of water yield and precipitation over the QTP in recent 20 years had a trend of fluctuating and increasing,with obvious spatial differentiation.The high water yield was mainly distributed in the southeast of the QTP,while the low water yield was mainly distributed in the Qaidam Basin in the north and Ngari region in the west of the QTP.The areas with increasing trend,decreasing trend and no significant change accounted for 79.08％,16.45％and 4.47％,respectively.The interaction between annual precipitation and actual evapotranspiration had the strongest influence on the spatial differentiation of water production retention service.The results can provide scientific support for the comprehensive utilization and rational allocation of regional water resources.关键词
产水服务/InVEST模型/时空格局/地理探测器/青藏高原Key words
water yield services/InVEST model/spatio-temporal pattern/geographical detector/Qinghai-Tibet Plateau分类
社会科学引用本文复制引用
戴尔阜,路荣荣..2000-2020年青藏高原产水服务时空分布格局及影响因素[J].西北师范大学学报（自然科学版）,2024,60(4):1-11,11.基金项目
拉萨市科技计划项目(LSKJ202320,LSKJ202316) （LSKJ202320,LSKJ202316）
西藏自治区科技计划项目(XZ202101ZD0007G,XZ202201ZD0005G05) （XZ202101ZD0007G,XZ202201ZD0005G05）
