[1]代梦梦,田芷源,梁音,等.基于EI指数的江苏省土壤侵蚀县域差异及变化趋势分析[J].江苏水利,2023,(10):15-21.
 DAI Mengmeng,TIAN Zhiyuan,LIANG Yin,et al.Analysis of county level variation and changing trends of soil erosion in Jiangsu Province based on EI index[J].JIANGSU WATER RESOURCES,2023,(10):15-21.
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基于EI指数的江苏省土壤侵蚀县域差异及变化趋势分析()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年10期
页码:
15-21
栏目:
农村水利
出版日期:
2023-10-15

文章信息/Info

Title:
Analysis of county level variation and changing trends of soil erosion in Jiangsu Province based on EI index
文章编号:
1007-7839(2023)10-0015-0007
作者:
代梦梦1田芷源1梁音1郭红丽2张嫱2张艺铭3
(1. 中国科学院南京土壤研究所土壤与农业可持续发展国家重点实验室,江苏 南京 210008;2. 江苏省水文水资源勘测局,江苏 南京 210029;3. 江苏省水文水资源勘测局泰州分局,江苏 泰州 225300)
Author(s):
DAI Mengmeng1 TIAN Zhiyuan1 LIANG Yin1 GUO Hongli2 ZHANG Qiang2 ZHANG Yiming3
(1. State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;2. Jiangsu Province Hydrology and Water Resources Investigation Bureau, Nanjing 210029, China;3. Taizhou Branch of Jiangsu Province Hydrology and Water Resources Investigation Bureau, Taizhou 225300, China)
关键词:
土壤侵蚀综合指数水土流失空间分布变化趋势
Keywords:
soil erosion aggregative index water and soil erosion spatial distribution change trend
分类号:
S157
文献标志码:
B
摘要:
采用土壤侵蚀综合指数对江苏省县域土壤侵蚀状况空间分布及变化趋势进行了分析,结果表明:①96个县(区)平均EI指数逐年降低,2019—2021年EI指数分别为0.2997、0.2152和0.1997;②全省土壤侵蚀严重等级空间分布表现为北部和西部丘陵山区的土壤侵蚀严重等级较高,中西部平原地区的土壤侵蚀严重等级较低;③全省96个县(区)中有59个EI指数呈现逐年递减的趋势(21<20<19),有19个县(区)的EI指数呈现波动减小的趋势(20<21<19或21<19<20),有18个县(区)的EI指数呈现波动增大的趋势(20>21>19或21>19>20)。研究成果可为江苏省水土流失治理及成效评价提供依据。
Abstract:
This study used the Soil Erosion Aggregative Index (EI) to analyze the spatial distribution and change trend of soil erosion status at the county level of Jiangsu Province. The results show that: ①The average EI of 96 counties (districts) has been decreasing, reaching 0.2997, 0.2152, and 0.1997 from 2019 year to 2021 year, respectively; ②The spatial distribution of soil erosion severity level in Jiangsu province is characterized by higher soil erosion severity level in the northern and western hilly and mountainous areas, and lower soil erosion severity level in the central and western plain areas; ③Among the 96 counties (districts) in the province, 59 is decreasing year by year in EI (21<20<19), 19 counties (districts) have a fluctuant decreasing trend in EI (20<21<19 or 21<19<20), and 18 counties (districts) have a fluctuant increasing trend in EI (20>21>19 or 21>19>20). The research results can provide a basis for soil erosion control and effectiveness evaluation in Jiangsu Province.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2023-08-28
基金项目:江苏省水利科技项目(2021059、2020051)
作者简介:代梦梦(1995—),女,硕士,主要从事土壤侵蚀与水土保持研究。E-mail:daimengmeng@issas.ac.cn
通信作者:梁音(1963—),男,研究员,博士,博士生导师,主要从事土壤侵蚀与水土保持生态恢复研究。E-mail:yliang@issas.ac.cn
更新日期/Last Update: 2023-10-15