气候变化领域集成服务门户(CCPortal): Analyzing the occurrence of floods and droughts in connection with climate change in Punjab province, Pakistan

CCPortal

DOI	10.1007/s11069-020-04095-5
	Analyzing the occurrence of floods and droughts in connection with climate change in Punjab province, Pakistan
	Ali S.M.; Khalid B.; Akhter A.; Islam A.; Adnan S.
发表日期	2020
ISSN	0921030X
起始页码	2533
结束页码	2559
卷号	103 期号:2
英文摘要	Frequency and intensity of extreme weather events are immensely changing throughout the world. This study aims to give insight into the changing climatic patterns leading to severe flood and drought conditions in the interior of Punjab province of Pakistan and devise adaptation strategies for risk governance. Landsat TM 30 m imagery was processed for flood analysis, while for drought analysis, Land Surface Temperature, Normalized Difference Vegetation Index (NDVI), and Temperature Vegetation Dryness Index (TVDI) were calculated from MODIS (MOD11A2 and MOD13A2) imageries. A questionnaire-based survey was conducted to prepare a management plan based on views of experts and local communities. The main regions affected by extreme events (flood and drought) in interior Punjab were Bahawalpur, Faisalabad, Mianwali, Multan, Sargodha, and Rahim Yar Khan. Supervised classification shows flooding in the Mianwali district during August 2010, and TVDI values show that drought prevailed during the year 2000 in the Bahawalpur district. Annual precipitation showed a significant trend in Sargodha and Mianwali with the magnitude of 6.95 mm/year and 2.97 mm/year, respectively. However, SPI moves to positive in the case of all studied districts except Sargodha where temperature change is 0.6 °C. Climatic analysis and survey show that the people of districts, i.e., Faisalabad, Mianwali, Multan, and Sargodha, were more affected by floods, whereas the people of districts, i.e., Bahawalpur and Rahim Yar Khan, were affected by both flood and drought. Adaptation strategies suggest that the flood water should be conserved which can help farmers in irrigation throughout the year. © 2020, Springer Nature B.V.
关键词	Adaptation strategies Climate change Land Surface Temperature Normalized Difference Vegetation Index Standardized Precipitation Index Temperature Vegetation Dryness Index
英文关键词	adaptive management; climate change; drought; extreme event; flood; Landsat; MODIS; NDVI; risk assessment; satellite imagery; Pakistan; Punjab [Pakistan]
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/205574
作者单位	Department of Environmental Science, International Islamic University, Islamabad, Pakistan; Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11A Datun Road, Chaoyang District, Beijing, 100101, China; University of Chinese Academy of Sciences, Beijing, 100049, China; International Institute for Applied Systems Analysis, Laxenburg, Austria; Earth System Physics, The Abdus Salam International Center for Theoretical Physics, Trieste, Italy; Department of Environmental Engineering, University of Regina, Regina, Canada; Pakistan Meteorological Department, National Drought Monitoring Center, Islamabad, Pakistan
推荐引用方式 GB/T 7714	Ali S.M.,Khalid B.,Akhter A.,et al. Analyzing the occurrence of floods and droughts in connection with climate change in Punjab province, Pakistan[J],2020,103(2).
APA	Ali S.M.,Khalid B.,Akhter A.,Islam A.,&Adnan S..(2020).Analyzing the occurrence of floods and droughts in connection with climate change in Punjab province, Pakistan.Natural Hazards,103(2).
MLA	Ali S.M.,et al."Analyzing the occurrence of floods and droughts in connection with climate change in Punjab province, Pakistan".Natural Hazards 103.2(2020).