Journal of Desert Research ›› 2025, Vol. 45 ›› Issue (1): 1-9.DOI: 10.7522/j.issn.1000-694X.2024.00078
Hong Jia(), Lianyou Liu, Jifu Liu(
)
Received:
2024-05-13
Revised:
2024-05-28
Online:
2025-01-20
Published:
2025-01-13
Contact:
Jifu Liu
CLC Number:
Hong Jia, Lianyou Liu, Jifu Liu. Desertification sensitivity assessment in the Gonghe Basin[J]. Journal of Desert Research, 2025, 45(1): 1-9.
Add to citation manager EndNote|Ris|BibTeX
URL: http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2024.00078
数据类型 | 年份 | 空间分辨率/m | 来源 |
---|---|---|---|
DEM | 2020 | 30 | 地理空间数据云(http://www.gscloud.cn) |
土壤质地、土壤有机质含量 | 2013 | 1 000 | 世界土壤数据库(HWSD V1.2, http://www.fao.org) |
NDVI | 2000—2020 | 250 | MOD13Q1 |
植被类型 | 2001 | 1 000 | 中国科学院资源环境科学数据中心(https://www.resdc.cn) |
土地利用分类 | 2000—2020 | 30 | CLCD (https://doi.org/10.5194/essd-2021-7) |
人口分布 | 2000—2020 | 1 000 | World Pop (https://www.worldpop.org/) |
气温、降水、风速 | 2000—2020 | 1 000 | 国家地球系统科学数据中心(https://www.geodata.cn/) |
Table 1 Data sources of land desertification sensitivity assessment in the Gonghe Basin
数据类型 | 年份 | 空间分辨率/m | 来源 |
---|---|---|---|
DEM | 2020 | 30 | 地理空间数据云(http://www.gscloud.cn) |
土壤质地、土壤有机质含量 | 2013 | 1 000 | 世界土壤数据库(HWSD V1.2, http://www.fao.org) |
NDVI | 2000—2020 | 250 | MOD13Q1 |
植被类型 | 2001 | 1 000 | 中国科学院资源环境科学数据中心(https://www.resdc.cn) |
土地利用分类 | 2000—2020 | 30 | CLCD (https://doi.org/10.5194/essd-2021-7) |
人口分布 | 2000—2020 | 1 000 | World Pop (https://www.worldpop.org/) |
气温、降水、风速 | 2000—2020 | 1 000 | 国家地球系统科学数据中心(https://www.geodata.cn/) |
指标 | 分级 | 描述 | 权重 |
---|---|---|---|
年平均气温 | 1 | <-6 | 1.00 |
2 | -6~-2 | 1.33 | |
3 | -2~2 | 1.67 | |
4 | >2 | 2.00 | |
年降水量 | 1 | >500 mm | 1.00 |
2 | 410~500 mm | 1.33 | |
3 | 320~410 mm | 1.67 | |
4 | <320 mm | 2.00 | |
年平均风速 | 1 | <1.4 m | 1.00 |
2 | 1.4~1.7 m | 1.33 | |
3 | 1.7~2 m | 1.67 | |
4 | >2 m | 2.00 |
Table 2 Factors and weights of climate quality index
指标 | 分级 | 描述 | 权重 |
---|---|---|---|
年平均气温 | 1 | <-6 | 1.00 |
2 | -6~-2 | 1.33 | |
3 | -2~2 | 1.67 | |
4 | >2 | 2.00 | |
年降水量 | 1 | >500 mm | 1.00 |
2 | 410~500 mm | 1.33 | |
3 | 320~410 mm | 1.67 | |
4 | <320 mm | 2.00 | |
年平均风速 | 1 | <1.4 m | 1.00 |
2 | 1.4~1.7 m | 1.33 | |
3 | 1.7~2 m | 1.67 | |
4 | >2 m | 2.00 |
指标 | 分级 | 描述 | 权重 |
---|---|---|---|
侵蚀防护 | 1 | 针叶林、高山植被、其他 | 1.00 |
2 | 农田、草原、草甸 | 1.33 | |
3 | 灌丛 | 1.67 | |
4 | 荒漠 | 2.00 | |
抗旱性 | 1 | 针叶林、其他 | 1.00 |
2 | 农田、高山植被、灌丛 | 1.33 | |
3 | 草原、草甸 | 1.67 | |
4 | 荒漠 | 2.00 | |
NDVI | 1 | >0.4 | 1.00 |
2 | 0.3~0.4 | 1.25 | |
3 | 0.2~0.3 | 1.50 | |
4 | 0.1~0.2 | 1.75 | |
5 | <0.1 | 2.00 |
Table 3 Factors and weights of vegetation quality index
指标 | 分级 | 描述 | 权重 |
---|---|---|---|
侵蚀防护 | 1 | 针叶林、高山植被、其他 | 1.00 |
2 | 农田、草原、草甸 | 1.33 | |
3 | 灌丛 | 1.67 | |
4 | 荒漠 | 2.00 | |
抗旱性 | 1 | 针叶林、其他 | 1.00 |
2 | 农田、高山植被、灌丛 | 1.33 | |
3 | 草原、草甸 | 1.67 | |
4 | 荒漠 | 2.00 | |
NDVI | 1 | >0.4 | 1.00 |
2 | 0.3~0.4 | 1.25 | |
3 | 0.2~0.3 | 1.50 | |
4 | 0.1~0.2 | 1.75 | |
5 | <0.1 | 2.00 |
指标 | 类别 | 描述 | 权重 |
---|---|---|---|
土壤含砂量 | 1 | <25% | 1.00 |
2 | 25%~40% | 1.33 | |
3 | 40%~65% | 1.67 | |
4 | >65% | 2.00 | |
地形坡度 | 1 | <5 | 1.00 |
2 | 5 | 1.33 | |
3 | 15 | 1.67 | |
4 | >30 | 2.00 | |
土壤有机质含量 | 1 | >3% | 1.00 |
2 | 2%~3% | 1.33 | |
3 | 1%~2% | 1.67 | |
4 | <1% | 2.00 |
Table 4 Factors and weights of soil quality index
指标 | 类别 | 描述 | 权重 |
---|---|---|---|
土壤含砂量 | 1 | <25% | 1.00 |
2 | 25%~40% | 1.33 | |
3 | 40%~65% | 1.67 | |
4 | >65% | 2.00 | |
地形坡度 | 1 | <5 | 1.00 |
2 | 5 | 1.33 | |
3 | 15 | 1.67 | |
4 | >30 | 2.00 | |
土壤有机质含量 | 1 | >3% | 1.00 |
2 | 2%~3% | 1.33 | |
3 | 1%~2% | 1.67 | |
4 | <1% | 2.00 |
指标 | 分级 | 描述 | 权重 |
---|---|---|---|
人口密度 | 1 | <2 人·km-2 | 1.00 |
2 | 2~5 人·km-2 | 1.20 | |
3 | 5~10 人·km-2 | 1.40 | |
4 | 10~20 人·km-2 | 1.60 | |
5 | 20~40 人·km-2 | 1.80 | |
6 | >40 人·km-2 | 2.00 | |
土地利用强度 | 1 | 林地、灌木、湿地、裸地 | 1.00 |
2 | 草地、水体 | 1.50 | |
3 | 建设用地、农田 | 2.00 |
Table 5 Factors and weights of land management quality index
指标 | 分级 | 描述 | 权重 |
---|---|---|---|
人口密度 | 1 | <2 人·km-2 | 1.00 |
2 | 2~5 人·km-2 | 1.20 | |
3 | 5~10 人·km-2 | 1.40 | |
4 | 10~20 人·km-2 | 1.60 | |
5 | 20~40 人·km-2 | 1.80 | |
6 | >40 人·km-2 | 2.00 | |
土地利用强度 | 1 | 林地、灌木、湿地、裸地 | 1.00 |
2 | 草地、水体 | 1.50 | |
3 | 建设用地、农田 | 2.00 |
Fig.2 Spatial distribution of climate quality index (A),vegetation quality index (B), soil quality index (C) and management quality index(D) in the Gonghe Basin in 2020
年份 | 荒漠化敏感性分级 | |||
---|---|---|---|---|
低 | 中等 | 高 | 极高 | |
2000 | 2 721.19 | 5 362.16 | 6 678.57 | 5 051.77 |
2010 | 4 422.06 | 7 507.64 | 4 537.99 | 3 342.58 |
2020 | 3 267.63 | 7 042.89 | 5 270.27 | 4 400.32 |
Table 6 Area statistics of desertification sensitivity in the Gonghe Basin
年份 | 荒漠化敏感性分级 | |||
---|---|---|---|---|
低 | 中等 | 高 | 极高 | |
2000 | 2 721.19 | 5 362.16 | 6 678.57 | 5 051.77 |
2010 | 4 422.06 | 7 507.64 | 4 537.99 | 3 342.58 |
2020 | 3 267.63 | 7 042.89 | 5 270.27 | 4 400.32 |
荒漠化敏感性指数 | 2000年 | 2010年 | 2020年 |
---|---|---|---|
气候质量指数 | 0.363 | 0.397 | 0.393 |
植被质量指数 | 0.398 | 0.320 | 0.321 |
土壤质量指数 | 0.293 | 0.303 | 0.290 |
管理质量指数 | 0.232 | 0.221 | 0.218 |
Table 7 Geographical detector results of single factor detection
荒漠化敏感性指数 | 2000年 | 2010年 | 2020年 |
---|---|---|---|
气候质量指数 | 0.363 | 0.397 | 0.393 |
植被质量指数 | 0.398 | 0.320 | 0.321 |
土壤质量指数 | 0.293 | 0.303 | 0.290 |
管理质量指数 | 0.232 | 0.221 | 0.218 |
1 | United Nations Convention to Combat Desertification.United Nations Convention to Combat Desertification in Countries Experiencing Serious Drought and/or Desertification,Particularly in Africa[R].Paris,France:UNDP,1994. |
2 | 王涛,朱震达.我国沙漠化研究的若干问题:1.沙漠化的概念及其内涵[J].中国沙漠,2003,23(3):3-8. |
3 | Guo B, Wei C X, Yu Y,et al.The dominant influencing factors of desertification changes in the source region of Yellow River:climate change or human activity?[J].Science of the Total Environment,2022,813:152512. |
4 | Xu D, You X, Xia C.Assessing the spatial-temporal pattern and evolution of areas sensitive to land desertification in North China[J].Ecological Indicators,2019,97:150-158. |
5 | Kosmas C, Kirkby M, Geeson N.Manual on Key Indicators of Desertification and Mapping Environmentally Sensitive Areas to Desertification[R].European Commission,1999:18882. |
6 | Contador J F L, Schnabel S, Gutierrez A G,et al.Mapping sensitivity to land degradation in Extremadura,SW Spain[J].Land Degradation & Development,2009,20(2):129-144. |
7 | Salvatil L, Zitti M, Perini L.Fifty years on:long‐term patterns of land sensitivity to desertification in Italy[J].Land Degradation & Development,2016,27(2):97-107. |
8 | Karamesouti M, Detsis V, Kounalaki A,et al.Land-use and land degradation processes affecting soil resources:evidence from a traditional Mediterranean cropland (Greece)[J].Catena,2015,132:45-55. |
9 | Uzuner Ç, Dengiz O.Desertification risk assessment in Turkey based on environmentally sensitive areas[J].Ecological Indicators,2020,114:106295. |
10 | Prăvălie R, Patriche C, Săvulescu I,et al.Spatial assessment of land sensitivity to degradation across Romania:a quantitative approach based on the modified MEDALUS methodology[J].Catena,2020,187:104407. |
11 | Wijitkosum S.Factor influencing land degradation sensitivity and desertification in a drought prone watershed in Thailand[J].International Soil and Water Conservation Research,2021,9(2):217-228. |
12 | Elnashar A, Zeng H W, Wu B F.Assessment of environmentally sensitive areas to desertification in the blue nile basin driven by the MEDALUS-GEE framework[J].Science of the Total Environment,2022,815:152925. |
13 | Jiang L, Bao A, Jiapaer G,et al.Monitoring land sensitivity to desertification in Central Asia:convergence or divergence?[J].Science of the Total Environment,2019,658:669-683. |
14 | Shao W Y, Wang Q Z, Guan Q Y,et al.Environmental sensitivity assessment of land desertification in the Hexi Corridor,China[J].Catena,2023,220:106728. |
15 | 任雨,张勃,陈曦东.科尔沁沙地土地荒漠化敏感性评估[J].中国沙漠,2023,43(2):159-169. |
16 | 吴盈盈,王振亭.疏勒河中下游土地荒漠化敏感性评估[J].中国沙漠,2022,42(4):163-171. |
17 | Ren Y, Liu X J, Zhang B,et al.Sensitivity assessment of land desertification in China based on multi-source remote sensing[J].Remote Sensing,2023,15(10):2674. |
18 | 董玉祥.青藏高原沙漠化研究的进展与问题[J].中国沙漠,1999,19(3):54-58. |
19 | 李森,颜长珍,宋翔,等.近30a龙羊峡水库周边地区沙漠化遥感监测[J].中国沙漠,2011,31(4):836-841. |
20 | 张登山.青海共和盆地土地沙漠化影响因子的定量分析[J].中国沙漠,2000,20(1):60-63. |
21 | 董光荣,高尚玉,金炯,等.青海共和盆地土地沙漠化与防治途径[M].北京:科学出版社,1993:166-173. |
22 | 徐叔鹰,徐德馥,石生仁.青海共和盆地的风沙堆积[J].中国沙漠,1982,2(3):5-12. |
23 | Kosmas C, Kairis O, Karavitis C,et al.Evaluation and selection of indicators for land degradation and desertification monitoring:methodological approach[J].Environmental Management,2014,54:951-970. |
24 | 李达净,许端阳,丁雪,等.1981-2010年中国北方风蚀气候侵蚀力演变与植被动态响应[J].水土保持研究,2018,25(2):15-20. |
25 | 王劲峰,徐成东.地理探测器:原理与展望[J].地理学报,2017,72(1):116-134. |
26 | Qiang M, Jin Y, Liu X,et al.Late Pleistocene and Holocene aeolian sedimentation in Gonghe Basin,northeastern Qinghai-Tibetan Plateau:variability,processes,and climatic implications[J].Quaternary Science Reviews,2016,132:57-73. |
27 | 郭泽呈,魏伟,石培基,等.中国西北干旱区土地沙漠化敏感性时空格局[J].地理学报,2020,75(9):1948-1965. |
28 | 姜旭海,韩玲,白宗璠,等.内蒙古自治区沙漠化敏感性时空演变格局和趋势分析[J].生态学报,2023,43(1):364-378. |
29 | Zhang C L, Li Q, Shen Y P,et al.Monitoring of aeolian desertification on the Qinghai-Tibet Plateau from the 1970s to 2015 using Landsat images[J].Science of the Total Environment,2018,619:1648-1659. |
30 | Zhou H Y, Hu Z, Geng Q,et al.Monitoring and analysis of desertification surrounding Qinghai Lake (China) using remote sensing big data[J].Environmental Science and Pollution Research,2023,30(7):17420-17436. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||
©2018Journal of Desert Research
Tel:0931-8267545
Email:caiedit@lzb.ac.cn;desert@lzb.ac.cn
Support:Magtech