Global warming is causing melting of glaciers,which is affecting socioeconomic development.It is essential to study the combined influence of changes in structures of glaciers on human well-being and socioeconomic sys...Global warming is causing melting of glaciers,which is affecting socioeconomic development.It is essential to study the combined influence of changes in structures of glaciers on human well-being and socioeconomic systems.Herein,we considered Qilian Mountains as an example,quantified the regional socioeconomic benefits of glaciers and human well-being,and attempted to draw a correlation between glacier service value and human well-being.The findings of our study reveal that the value of glacier services in Qilian Mountains decreased from 1.84×10^(10)yuan in 1998 to 1.72×10^(10)yuan in 2018,with a spatial trend of circling down from the central region to the western and eastern regions.The distribution of human well-being showed an increasing trend,and a phenomenon of“low value central and western clustering,high value eastern sporadic distribution.”There is an increasing degree of coordination between human well-being and glacier services value;the spatial distribution shows a decreasing trend from the west to the east,with differences in the nature of coordinated development in different regions at the same coordination stage being obvious.We analyzed the changes in glacier services value and their relationship with human well-being from both micro and macro perspectives to provide theoretical support for formulating management strategies for glacier resource conservation and improving the interface between glacier service evaluation results and government decision-making.展开更多
The glacier is a crucial freshwater resource in arid and semiarid regions,and the vulnerability of the glacier change is intimately linked to regional ecological services and socio-economic sustainability.Taking the T...The glacier is a crucial freshwater resource in arid and semiarid regions,and the vulnerability of the glacier change is intimately linked to regional ecological services and socio-economic sustainability.Taking the Tianshan Mountains region in China as an example,a basic framework for studying the vulnerability of glacier change was constructed so as to address factors such as physical geography,population status,socio-economic level,agricultural development,and social services.The framework was based on key dimensions,that is,exposure,sensitivity,and adaptability,and this constituted a targeted evaluation index system.We examined the spatial structure and spatial autocorrelation of the glacier change vulnerability using ArcGIS and GeoDa software.The influence and interaction of natural,social,economic,population and other factors on glacier change adaptability was examined using the GeoDetector model.The results suggested the following:(1)The vulnerability level decreased from the western region to the eastern region with significant differences between the two regions.The eastern region had the lowest vulnerability,followed by the central region,and then western region which had the highest vulnerability.(2)Significant positive and negative correlations were found between exposure,sensitivity,and adaptability,indicating that the areas with high exposure and high sensitivity to glacier change tended to have a low adaptive capacity,which led to high vulnerability,and vice versa.(3)The spatial heterogeneity regarding the ability to cope with glacier change reflected the combined effects of the natural,social,economic,and demographic factors.Among them,factors such as the production value of secondary and tertiary industries,the urban population,urban fixed-asset investment,and the number of employees played major roles regarding the spatial heterogeneity of glacier change.展开更多
Glaciers are a reliable freshwater resource in arid regions of West China and the vulnerability of its changes is closely related to regional ecosystem services and economic sustainable development. Here, we took the ...Glaciers are a reliable freshwater resource in arid regions of West China and the vulnerability of its changes is closely related to regional ecosystem services and economic sustainable development. Here, we took the Qilian Mountains as an example and analyzed the spatiotemporal characteristics of glacier changes from 1998 to 2018, based on remote sensing images and the Second Chinese Glacier Inventory. We estimated the basic organizational framework and evaluation index system of glacier change vulnerability from exposure, sensitivity and adaptability, which covered the factors of physical geography, population status and socio-economic level. We analyzed the spatial and temporal evolutions of glacier change vulnerability by using the vulnerability evaluation model. Our results suggested that:(1) Glacier area and volume decreased by 71.12±98.98 km^(2) and 5.59±4.41 km^(3), respectively, over the recent two decades, which mainly occurred at the altitude below 4800 m, with an area shrinking rate of 2.5%. In addition, glaciers in the northern aspect(northwest, north and northeast) had the largest area reduction. Different counties exhibited remarkable discrepancies in glacier area reduction, Tianjuan and Minle presented the maximum and minimum decrease, respectively.(2) Glacier change vulnerability level showed a decreasing trend in space from the central to the northwestern and southeastern regions with remarkable differences. Vulnerability level had increased significantly over time and was mainly concentrated in moderate, high and extreme levels with typical characteristics of phases and regional complexity. Our study can not only help to understand and master the impacts of recent glacier changes on natural and social aspects but also be conducive to evaluate the influences of glacier retreat on socio-economic developments in the future, thus providing references for formulating relevant countermeasures to achieve regional sustainable development.展开更多
基金Shanxi Province Graduate Education and Teaching Reform Project,No.2023JG095Hebei Province Scholarship Program for Introducing Overseas Students,No.C20230510+4 种基金The Natural Science Foundation of Gansu Province,No.21JR7RA059Hebei Province Cultural and Art Science Planning and Tourism Research Project,No.HB23-YB063National Natural Science Foundation of China No.42001067State Key Laboratory of Cryospheric Science,No.SKLCS-ZZ-2021Key Science and Technology Project of Gansu Province,No.22ZD6FA005。
文摘Global warming is causing melting of glaciers,which is affecting socioeconomic development.It is essential to study the combined influence of changes in structures of glaciers on human well-being and socioeconomic systems.Herein,we considered Qilian Mountains as an example,quantified the regional socioeconomic benefits of glaciers and human well-being,and attempted to draw a correlation between glacier service value and human well-being.The findings of our study reveal that the value of glacier services in Qilian Mountains decreased from 1.84×10^(10)yuan in 1998 to 1.72×10^(10)yuan in 2018,with a spatial trend of circling down from the central region to the western and eastern regions.The distribution of human well-being showed an increasing trend,and a phenomenon of“low value central and western clustering,high value eastern sporadic distribution.”There is an increasing degree of coordination between human well-being and glacier services value;the spatial distribution shows a decreasing trend from the west to the east,with differences in the nature of coordinated development in different regions at the same coordination stage being obvious.We analyzed the changes in glacier services value and their relationship with human well-being from both micro and macro perspectives to provide theoretical support for formulating management strategies for glacier resource conservation and improving the interface between glacier service evaluation results and government decision-making.
基金Strategic Priority Research Program of the Chinese Academy of Sciences,No.XDA20020102,No.XDA 20060201National Natural Science Foundation of China,No.41761134093,No.41471058,No.42001067+1 种基金The Second Tibetan Plateau Scientific Expedition and Research Program,No.2019QZKK0201National Cryosphere Desert Data Center,No.20D03。
文摘The glacier is a crucial freshwater resource in arid and semiarid regions,and the vulnerability of the glacier change is intimately linked to regional ecological services and socio-economic sustainability.Taking the Tianshan Mountains region in China as an example,a basic framework for studying the vulnerability of glacier change was constructed so as to address factors such as physical geography,population status,socio-economic level,agricultural development,and social services.The framework was based on key dimensions,that is,exposure,sensitivity,and adaptability,and this constituted a targeted evaluation index system.We examined the spatial structure and spatial autocorrelation of the glacier change vulnerability using ArcGIS and GeoDa software.The influence and interaction of natural,social,economic,population and other factors on glacier change adaptability was examined using the GeoDetector model.The results suggested the following:(1)The vulnerability level decreased from the western region to the eastern region with significant differences between the two regions.The eastern region had the lowest vulnerability,followed by the central region,and then western region which had the highest vulnerability.(2)Significant positive and negative correlations were found between exposure,sensitivity,and adaptability,indicating that the areas with high exposure and high sensitivity to glacier change tended to have a low adaptive capacity,which led to high vulnerability,and vice versa.(3)The spatial heterogeneity regarding the ability to cope with glacier change reflected the combined effects of the natural,social,economic,and demographic factors.Among them,factors such as the production value of secondary and tertiary industries,the urban population,urban fixed-asset investment,and the number of employees played major roles regarding the spatial heterogeneity of glacier change.
基金Second Tibetan Plateau Scientific Expedition and Research Program,No.2019QZKK0201Strategic Priority Research Program of the Chinese Academy of Sciences,No.XDA20020102,No.XDA20060201+2 种基金State Key Laboratory of Cryospheric Science,No.SKLCS-ZZ-2021National Natural Science Foundation of China,No.41721091,42001067National Cryosphere Desert Data Center,No.20D03。
文摘Glaciers are a reliable freshwater resource in arid regions of West China and the vulnerability of its changes is closely related to regional ecosystem services and economic sustainable development. Here, we took the Qilian Mountains as an example and analyzed the spatiotemporal characteristics of glacier changes from 1998 to 2018, based on remote sensing images and the Second Chinese Glacier Inventory. We estimated the basic organizational framework and evaluation index system of glacier change vulnerability from exposure, sensitivity and adaptability, which covered the factors of physical geography, population status and socio-economic level. We analyzed the spatial and temporal evolutions of glacier change vulnerability by using the vulnerability evaluation model. Our results suggested that:(1) Glacier area and volume decreased by 71.12±98.98 km^(2) and 5.59±4.41 km^(3), respectively, over the recent two decades, which mainly occurred at the altitude below 4800 m, with an area shrinking rate of 2.5%. In addition, glaciers in the northern aspect(northwest, north and northeast) had the largest area reduction. Different counties exhibited remarkable discrepancies in glacier area reduction, Tianjuan and Minle presented the maximum and minimum decrease, respectively.(2) Glacier change vulnerability level showed a decreasing trend in space from the central to the northwestern and southeastern regions with remarkable differences. Vulnerability level had increased significantly over time and was mainly concentrated in moderate, high and extreme levels with typical characteristics of phases and regional complexity. Our study can not only help to understand and master the impacts of recent glacier changes on natural and social aspects but also be conducive to evaluate the influences of glacier retreat on socio-economic developments in the future, thus providing references for formulating relevant countermeasures to achieve regional sustainable development.
