Climate change in the Himalayas : current state of knowledge
AbstractThis paper reviews the literature on the potential biophysical and economic impacts of climate change in the Himalayas. Existing observations indicate that the temperature is rising at a higher rate in Nepal and Chinese regions of the Himalayas compared with rest of the Himalayas. A declining trend of monsoon in the western Indian Himalayas and an increasing trend in the eastern Indian Himalayas have been observed, whereas increasing precipitation and stream flow in many parts of Tibetan Plateau are noted. Glaciers in both the eastern and western Himalayas are mostly retreating, but the majority of the glaciers in Karakorum are either stable or advancing slowly. Expansion of glacier lakes is reported, with the highest rate in Nepal and Bhutan. Most literature predicts increases in temperature and monsoon precipitations and decreases in winter precipitations in the future thereby leading to monsoon flooding and increased sediments in stream flow. Available hydrological simulations indicate reduced rainfall and shrinkage of glacier thereby leading to shortage of water supply for power generation and irrigation in winter particularly in highly glaciated basins. Projected economic impacts of glacial lake outburst floods can be substantial on the developed river basin with infrastructures and population centers. However, there is a clear gap in knowledge of economic impacts of climate change in the Himalayas.
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Bibliographic InfoPaper provided by The World Bank in its series Policy Research Working Paper Series with number 6516.
Date of creation: 01 Jun 2013
Date of revision:
Climate Change Mitigation and Green House Gases; Science of Climate Change; Global Environment Facility; Regional Economic Development; Ecosystems and Natural Habitats;
This paper has been announced in the following NEP Reports:
- NEP-ALL-2013-07-05 (All new papers)
- NEP-CWA-2013-07-05 (Central & Western Asia)
- NEP-ENV-2013-07-05 (Environmental Economics)
- NEP-RES-2013-07-05 (Resource Economics)
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Mendelsohn, Robert & Dinar, Ariel & Sanghi, Apurva, 2001. "The effect of development on the climate sensitivity of agriculture," Environment and Development Economics, Cambridge University Press, vol. 6(01), pages 85-101, February.
- Thapa, Sridhar & Joshi, Ganesh Raj, 2010. "A Ricardian analysis of the climate change impact on Nepalese agriculture," MPRA Paper 29785, University Library of Munich, Germany, revised Feb 2011.
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