[1]郭力宇,李雨思,王 涛,等.气候变化与人类活动对植被覆盖的影响[J].西安科技大学学报,2020,(01):148-156.
 GUO Li-yu,LI Yu-si,WANG Tao,et al.Impacts of climate change and human activities on vegetation cover[J].Journal of Xi'an University of Science and Technology,2020,(01):148-156.
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气候变化与人类活动对植被覆盖的影响(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2020年01期
页码:
148-156
栏目:
出版日期:
2020-02-15

文章信息/Info

Title:
Impacts of climate change and human activities on vegetation cover
文章编号:
1672-9315(2020)01-0148-09
作者:
郭力宇1李雨思1王 涛1耿广坡1郭 昭2柳 莹1
(1.西安科技大学 测绘科学与技术学院,陕西 西安 710054; 2.东莞市城建规划设计院,广东 东莞 523001)
Author(s):
GUO Li-yu1LI Yu-si1WANG Tao1GENG Guang-po1GUO Zhao2LIU Ying1
(1.College of Geomatics,Xi'an University of Science and Technology,Xi'an 710054,China; 2.Dongguan Urban Planning and Design Insitute,Dongguan 523001,China)
关键词:
气候突变 植被覆盖度 人类活动 MODIS NDVI 陕西省
Keywords:
climatic change vegetation coverage human activity MODIS NDVI Shaanxi Province
分类号:
Q 948
文献标志码:
A
摘要:
为了研究气侯变化及人类活动对区域植被覆盖变化的内在影响,采用2000—2016年MODIS NDVI数据,通过像元二分法计算获得植被覆盖度,结合气象站点监测数据,利用Mann-Kendall突变检验、转移矩阵、残差分析等方法,探讨气候变化和人类活动影响下,陕西省2000—2016年植被覆盖度的时空变化特征。结果表明:2000—2016年陕西省年平均气温和年降雨量均总体增加。其中,2006—2008年是气候突变时期,植被覆盖度在气候突变后明显增加。陕西省平均植被覆盖度总体增加。其中,陕北地区植被覆盖度明显增加,2000—2016年增加0.33; 关中地区植被覆盖度有所下降,2000—2016年降低0.06,以西安周边地区为主; 陕南地区植被覆盖度有小幅降低,2000—2016年植被覆盖度降低0.02.陕西省人类活动对植被覆盖度影响具有明显空间差异。其中,陕北地区人类活动影响力对植被覆盖影响力具有正向作用,促进植被覆盖度增加; 关中地区人类活动影响力具有负向作用,导致植被覆盖度降低; 陕南地区人类活动影响力较低,导致陕南地区植被覆盖有小幅度降低。植被覆盖对气候变化响应明显,人类活动影响力在持续增强。
Abstract:
In order to investigate the influences of climate change and human activities on the vegetation cover this research adopted the MODIS NDVI data of 2000—2016 and calculated the vegetation coverage through pixel dichotomy.Referring to the monitoring data from weather stations,a comparative analysis was made of the impacts of climate change and human activities on vegetation coverage using the triangulation approaches ofthe research results are as follows:The annual average air temperature and rainfalls in Shaanxi Province have increased from 2000—2016,during which 2006—2008 is the mutation period,the vegetation coverage has substantial increase.The average vegetation coverage has been increased during the studied time-span.To be specific,the vegetation coverage in Northern part of Shaanxi has obvious increase of 33% during 2000—2016,while it has a decrease of 6% in the Central Plain area of Shaanxi in particular with the neighboring regions of Xi'an.Meanwhile,the vegetation coverage in the south part of Shaanxi has a slight decrease of 2% from 2000 to 2016.The human life has a magnificent spatial variance on the impact of vegetation coverage in Shaanxi Province.Among them,the influence of human activities in the northern Shaanxi has the least impact on vegetation cover which promotes the increase of vegetation coverage.The intensity of human activities in Central Shaanxi area is relatively strong,leading to vegetation coverage reduced; the human activities in the Qinling Mountains have the strongest influence,resulting in a small decrease in vegetation coverage in southern Shaanxi.Vegetation cover responds significantly to climate change,and the impact of human activities continues toincrease.

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相似文献/References:

[1]郭力宇,郭 昭,王 涛,等.陕北黄土高原植被动态变化及其对气候因子的响应[J].西安科技大学学报,2019,(02):317.[doi:10.13800/j.cnki.xakjdxxb.2019.0219 ]
 GUO Li-yu,GUO Zhao,WANG Tao,et al.Dynamic changes of vegetation and its responses to climate factors in northern Shaanxi loess plateau region[J].Journal of Xi'an University of Science and Technology,2019,(01):317.[doi:10.13800/j.cnki.xakjdxxb.2019.0219 ]

备注/Memo

备注/Memo:
收稿日期:2019-05-11 责任编辑:高 佳
基金项目:陕西省教育厅科研项目(18JK0508); 国家自然科学基金(41904036); 山西省重点研发计划(社会发展领域)(201803D31224); 城市空间信息工程北京市重点实验室2018年度开放基金(2019210)
通信作者:赵庆志(1989-),男,山东德州人,博士,讲师,E-mail:zhaoqingzhia@163.com
更新日期/Last Update: 2020-02-15