Temperature and Precipitation GLOF Triggering Indicators in Gilgit-Baltistan, Pakistan. | [Pakistan Journal of Meterology • 2014]

Author(s):

1. K. Din: Pakistan Meteorological Department, Islamabad, Pakistan

2. S. Tariq: Department of Meteorology, COMSATS Institute of Information Technology (CIIT), Islamabad, Pakistan

3. A. Mahmood: Pakistan Meteorological Department, Islamabad, Pakistan

4. G. Rasul: Pakistan Meteorological Department, Islamabad, Pakistan

Abstract:

GLOFs are some of climate change induced hazards which are most common in Gilgit-Baltistan. Gilgit-Baltistan has observed more than 35 GLOF events in the last 200 years history but their frequency has increased in the recent years with five GLOF events in the Gojal Valley (Upper Hunza) during the year 2008. In order to study the relation of GLOF events with weather conditions, well known GLOF events for the period from 1990 to 2012 were selected and two type of meteorological data sets, real time and reanalyzed data has been used. This paper suggests that among other factors, temperature and precipitation (Rain fall) plays the role to enhance the probability of outburst of a lake resulting in a GLOF. Most of GLOF events occurred in Gilgit-Baltistan during the study period have been found to have linked with extreme weather conditions, i.e. either there was an abrupt rise in temperature, heat wave or rain fall a short time before or during the GLOF phenomenon. GLOF hazards can be reduced and risks to the communities can be minimized by continuous Hydro-meteorological monitoring of the affected areas.

Page(s): 39-56

DOI: DOI not available

Published: Journal: Pakistan Journal of Meterology, Volume: 10, Issue: 20, Year: 2014

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