[1]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(02):15-20.
　LI Dajing,XU Duanyang,DING Xue,et al.Changes of Wind Erosion Climatic Erosivity and Vegetation Dynamics Response in Northern China from 1981 to 2010[J].Research of Soil and Water Conservation,2018,25(02):15-20.
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1981-2010年中国北方风蚀气候侵蚀力演变与植被动态响应

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年02期 页码: 15-20 栏目: 出版日期: 2018-04-03
Title:
Changes of Wind Erosion Climatic Erosivity and Vegetation Dynamics Response in Northern China from 1981 to 2010
作者:
李达净1,2, 许端阳1, 丁雪3, 王子玉4, 宋阿琳5
1. 中国科学院 地理科学与资源研究所 陆地表层格局与模拟院重点实验室, 北京 100101;
2. 华中师范大学 农村改革发展协同创新中心, 武汉 430079
Author(s):
LI Dajing1,2, XU Duanyang1, DING Xue3, WANG Ziyu4, SONG Alin5
1. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;
2. Collaborative Innovation Center of Rural Reform and Development, Central China Normal University, Wuhan 430079, China
关键词:
风蚀气候侵蚀力; 植被变化; 时空演变
Keywords:
wind erosion climatic erosivity; vegetation changes; space-time evolvement
分类号:
S157.1
摘要:
风蚀气候侵蚀力演变是影响植被生长的重要因素，基于GIMMS NDVI3gV1.0数据以及气候数据，并结合多情景分析法、敏感性分析法，分析了1981-2010年中国北方风蚀气候侵蚀力演变及其对植被变化的影响。结果表明：（1）1981-2010年，风蚀气候因子指数多介于10~100，均值为29.4，侵蚀力水平一般。其基本特征是由东至西逐渐减弱，由南至北逐渐减弱。（2）1981-2010年，中国北方风蚀气候侵蚀力整体上呈下降趋势，其变化主要受风速影响，二者相关系数高达0.95。（3）植被动态对风蚀气候侵蚀力演变的响应具有典型的空间异质性，多数沙区表现为风蚀气候侵蚀力减少导致植被增加。（4）不同沙区植被变化对风蚀气候侵蚀力演变的响应程度不同，河套平原、塔里木盆地等沙区植被动态对风蚀气候侵蚀力演变较为敏感，伊犁盆地、乌兰察布以及阿拉善高原等沙区则敏感性较小。
Abstract:
The evolution of wind erosion climatic erosivity is the key to vegetation growth. Based on GIMMS NDVI3g V1.0 data, climate data, this study analyzed the change of wind erosion climatic erosivity and its impacts on vegetation growth in northern China from 1981 to 2010. The main method used in this study was the multiple scenario analysis method and the sensitivity analysis. The results show that:(1) during the period of 1981-2010, the wind erosion climatic factor index is between 10~100, the mean value is 29.4, the level of erosivity is general; the basic characteristic is gradually weakening from east to west, and gradually weakening from south to north; (2) in 1981-2010, the wind erosion climatic erosivity showed tendency to descend in northern China; The change was mainly affected by wind speed, and the correlation coefficient between the two was up to 0.95; (3) changes of wind erosion climatic erosivity had spatial heterogeneity to vegetation changes; most of the sandy areas were characterized by the significant decrease of wind erosion climatic factor index, which led to the vegetation increase; (4) the response degree of vegetation dynamics to the changes of wind erosion climatic erosivity was obviously different:vegetation dynamics were more sensitive to wind erosion climatic erosivity in Hetao Plain and Tarim Basin, etc., and the sensitivities of Yili basin, Wulanchabu and Alashan Plateau were relatively low.

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备注/Memo

收稿日期:2017-4-27;改回日期:2017-6-17。
基金项目:国家重点研发计划项目（2016YFC0501002）；国家自然科学基金（71573245）
作者简介:李达净(1993-),女,黑龙江哈尔滨人,硕士研究生,研究方向为土壤风蚀与沙漠化。E-mail:695432485@qq.com
通讯作者:许端阳(1983-),男,河南洛阳人,副研究员,主要从事气候变化与沙漠化研究。E-mail:xudy@igsnrr.ac.cn

更新日期/Last Update: 1900-01-01