Riverine flood assessment in Jhang district in connection with ENSO and summer monsoon rainfall over Upper Indus Basin for 2010

Bushra Khalid (), Bueh Cholaw, Débora Souza Alvim, Shumaila Javeed, Junaid Aziz Khan, Muhammad Asif Javed and Azmat Hayat Khan
Additional contact information
Bushra Khalid: Chinese Academy of Sciences
Bueh Cholaw: Chinese Academy of Sciences
Débora Souza Alvim: National Institute for Space Research
Shumaila Javeed: COMSATS Institute of Information Technology
Junaid Aziz Khan: National University of Science and Technology (NUST)
Muhammad Asif Javed: COMSATS Institute of Information Technology
Azmat Hayat Khan: Pakistan Meteorological Department

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2018, vol. 92, issue 2, No 19, 993 pages

Abstract: Abstract Pakistan has experienced severe floods over the past decades due to climate variability. Among all the floods, the flood of 2010 was the worst in history. This study focuses on the assessment of (1) riverine flooding in the district Jhang (where Jhelum and Chenab rivers join, and the district was severely flood affected) and (2) south Asiatic summer monsoon rainfall patterns and anomalies considering the case of 2010 flood in Pakistan. The land use/cover change has been analyzed by using Landsat TM 30 m resolution satellite imageries for supervised classification, and three instances have been compared, i.e., pre-flooding, flooding, and post-flooding. The water flow accumulation, drainage density and pattern, and river catchment areas have been calculated by using Shutter Radar Topography Mission digital elevation model 90 m resolution. The standard deviation of south Asiatic summer monsoon rainfall patterns, anomalies and normal (1979–2008) has been calculated for July, August, and September by using rainfall data set of Era interim (0.75° × 0.75° resolution). El Niño Southern Oscillation has also been considered for its role in prevailing rainfall anomalies during the year 2010 over Upper Indus Basin region. Results show the considerable changing of land cover during the three instances in the Jhang district and water content in the rivers. Abnormal rainfall patterns over Upper Indus Basin region prevailed during summer monsoon months in the year 2010 and 2011. The El Niño (2009–2010) and its rapid phase transition to La Niña (2011–2012) may be the cause of severity and disturbances in rainfall patterns during the year 2010. The Geographical Information System techniques and model based simulated climate data sets have been used in this study which can be helpful in developing a monitoring tool for flood management.

Keywords: Flooding; Riverine; ENSO; Monsoon; Rainfall; Land cover (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11069-018-3234-y

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