[1]布和,乌兰图雅*,斯琴朝克图,等. 1982-2099年内蒙古地区植被覆盖变化对气象干旱的响应[J].西北林学院学报,2023,38(5):1-9.[doi:10.3969/j.issn.1001-7461.2023.05.01]
　BUHE,ULANTUYA*,SIQINCHAOKETU,et al. Response of Vegetation Fraction Cover Change to Meteorological Drought in Inner Mongolia From 1982 to 2099[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(5):1-9.[doi:10.3969/j.issn.1001-7461.2023.05.01]
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 1982-2099年内蒙古地区植被覆盖变化对气象干旱的响应()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第5期
页码:
1-9
栏目:
出版日期:
2023-09-30

文章信息/Info

Title:
 Response of Vegetation Fraction Cover Change to Meteorological Drought in Inner Mongolia From 1982 to 2099
文章编号:
1001-7461(2023)05-0001-09
作者:
 布和1; 乌兰图雅1; 2; 3*; 斯琴朝克图1; 2; 3; 韩淑敏4; 高苏日固嘎1; 吴秀泉1
 (1.内蒙古师范大学 地理科学学院，内蒙古 呼和浩特 010022；2.内蒙古自治区蒙古高原灾害与生态安全重点实验室，内蒙古 呼和浩特 010022；3.蒙古高原气候变化与区域响应自治区高等学校重点实验室，内蒙古 呼和浩特 010022；4.内蒙古农业大学 林学院，内蒙古 呼和浩特 010018)
Author(s):
 BUHE1; ULANTUYA1; 2; 3*; SIQINCHAOKETU1; 2; 3; HAN Shu-min4; GAOSURIGUGA1; WU Xiu-quan1
 (1.School of Geographical Sciences,Inner Mongolia Normal University,Hohhot 010022,Inner Mongolia,China; 2.Key Laboratory of Disasters and Ecological Security on the Mongolian Plateau of Inner Mongolia Autonomous Region,Hohhot 010022,Inner Mongolia,China; 3.Key Laboratory of Climate Change and Regional Response on the Mongolian Plateau of Autonomous Region,Hohhot 010022,Inner Mongolia,China; 4.College of Forestry,Inner Mongolia Agricultural University,Hohhot 010018,Inner Mongolia,China)
关键词:
 ; 气象干旱; 植被覆盖度; 响应特征; 内蒙古地区
Keywords:
 ; meteorological drought;  fractional vegetation cover;  response characteristics;  Inner Mongolia
分类号:
S127
DOI:
10.3969/j.issn.1001-7461.2023.05.01
文献标志码:
A
摘要:
 基于气象站的降水量和AVHRR NDVI数据，评估MPI-ESM全球气候模式在内蒙古适用性的基础上开展了历史时期和未来时期的植被覆盖度（FVC）对气象干旱的响应特征研究。结果表明：1）在研究区内，MPI-ESM模式的降水量、FVC和SPI03与历史数据通过显著性检验的地区分别为100%、96.92%和85.67%，该模式能够代表内蒙古地区的观测结果。2）历史时期内蒙古地区年FVC呈增加趋势，植被改善最明显的区域主要在内蒙古的东北部。就未来时期而言，SSP585比SSP245情景下FVC增加更为明显，表明高脆弱性和高排放路径下FVC改善显著。3）历史时期，年均SPI03呈波动增加趋势，SPI03的增加速率自东北向西南呈现“增-减-增”的空间格局；未来时期内蒙古地区干旱将进一步减弱。4）植被生长状况在大部分区域均与SPI03呈现不同程度的正相关，其中东北部植被对气象干旱的响应程度最高，中部次之，西部最低；对于不同情景而言，SSP585情景下的植被对气象干旱的响应程度最高，SSP245次之，历史时期最弱；在不同土地利用类型中，未利用土地对气象干旱的响应最强，林地和耕地的响应最弱。研究结果为内蒙古地区未来时期植物群落的生态预警和生态修复提供理论参考。
Abstract:
 Based on precipitation data collected from different meteorological stations within Inner Mongolia Autonomous Region and AVHRR NDVI data,a study was carried out on the response characteristics of fraction vegetation cover (FVC) to meteorological drought in historical and future periods after assessing the applicability of the MPI-ESM global climate model in the region.The results showed that 1) the precipitation,FVC,and SPI03 of the MPI-ESM model passed the significance test 100%,96.92%,and 85.67% of the areas with historical data in the study area,respectively,indicating that the model could be used in the region.2) The annual FVC displayed an increasing trend in the historical period,and the most significant areas of FVC improvement were mainly distributed in the northeastern part of the region.The increase of FVC under SSP585 was more evident than that under the SSP245 scenario in the future stage,indicating a significant improvement of FVC under high vulnerability and high emission path.3) In the historical period,the annual average SPI03 exhibited a fluctuating increasing trend,and the increasing rate of SPI03 showed a spatial pattern of "increasing-decreasing-increasing" from northeast to southwest.The drought in the region would be further weakened in the future period.4) The vegetation growth condition displayed different degrees of positive correlation with SPI03 in most areas,among which the response of vegetation to meteorological drought was the highest in the northeast,followed by central area and lowest in the west.For different scenarios,the response of FVC to meteorological drought was the highest in SSP585,followed by SSP245 and weakest in historical period.The response of unused land to meteorological drought was the strongest,and the response of unused land to meteorological drought was the weakest.Among the different land use types,the response of unused land to meteorological drought was the strongest,and the responses of forest land and cropland were the weakest.The study results provide theoretical references for ecological warning and ecological restoration of plant communities in Inner Mongolia in the future.

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备注/Memo

备注/Memo:
 收稿日期：2022-10-08修回日期：2023-03-13
基金项目：国家自然科学基金项目(41861024)；内蒙古自治区自然科学基金(2021BS04001)；内蒙古自治区高等学校科学技术研究项目(NJZZ21006)。
第一作者：布和。研究方向：干旱区地理。E-mail：buhe15540767179@163.com
*通信作者：乌兰图雅，教授。研究方向：土地利用/土地覆盖变化与生态安全。E-mail：mtuya1967@163.com
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