35 Research on global changes in Pakistan

Roohi, Rakhshan

doi:10.1016/s0928-2025(06)10035-8

Cited by 10 publications

(11 citation statements)

References 4 publications

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“…His work was boosted for a time by a collaborative programme with Canadian support (Hewitt and Young, 1993) with an important outcome being the setting up of a network of 20 automatic weather stations at levels between 2000 and 4700 m. Some records are now of 15 years duration and are becoming useful for trend assessment. A further development has been the compilation of a baseline inventory of Upper Indus glaciers and glacial lakes using Landsat ETM + (Roohi, 2007). A total of 5218 glaciers and 844 glacial lakes were identified and described.…”

Section: Scientific Capacity For Analysismentioning

confidence: 99%

Sustainability of water resources management in the Indus Basin under changing climatic and socio economic conditions

Archer

Forsythe

Fowler

et al. 2010

Hydrol. Earth Syst. Sci.

162

109

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Abstract. Pakistan is highly dependent on water resources originating in the mountain sources of the upper Indus for irrigated agriculture which is the mainstay of its economy. Hence any change in available resources through climate change or socio-economic factors could have a serious impact on food security and the environment. In terms of both ratio of withdrawals to runoff and per-capita water availability, Pakistan's water resources are already highly stressed and will become increasingly so with projected population changes. Potential changes to supply through declining reservoir storage, the impact of waterlogging and salinity or over-abstraction of groundwater, or reallocations for environmental remediation of the Indus Delta or to meet domestic demands, will reduce water availability for irrigation.The impact of climate change on resources in the Upper Indus is considered in terms of three hydrological regimes -a nival regime dependent on melting of winter snow, a glacial regime, and a rainfall regime dependent on concurrent rainfall. On the basis of historic trends in climate, most notably the decline in summer temperatures, there is no strong evidence in favour of marked reductions in water resources from any of the three regimes. Evidence for changes in transHimalayan glacier mass balance is mixed. Sustainability of water resources appears more threatened by socio-economic changes than by climatic trends. Nevertheless, analysis and the understanding of the linkage of climate, glaciology and runoff is still far from complete; recent past climate experience may not provide a reliable guide to the future.

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Section: Scientific Capacity For Analysismentioning

confidence: 99%

Sustainability of water resources management in the Indus Basin under changing climatic and socio economic conditions

Archer

Forsythe

Fowler

et al. 2010

Hydrol. Earth Syst. Sci.

162

109

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“…Nearly 2450 glacial lakes were identified in the HKH region in Pakistan (Roohi 2007). Even though there are many glacial lakes in the Karakoram region, potentially dangerous lakes are mainly distributed in the southern sub-river basins as they are not belonging to cirque, end moraine or valley types of glaciers.…”

Section: Introductionmentioning

confidence: 99%

“…Even though there are many glacial lakes in the Karakoram region, potentially dangerous lakes are mainly distributed in the southern sub-river basins as they are not belonging to cirque, end moraine or valley types of glaciers. Climate change events are believed to be the causative agent of recent avalanches and glacial lake outburst floods (GLOF) at higher elevations (>3500 m asl) (Roohi 2007). Glacial lakes are associated with the shrinking or mass loss of glaciers.…”

Section: Introductionmentioning

confidence: 99%

Recent variations of supraglacial lakes on the Baltoro Glacier in the central Karakoram Himalaya and its possible teleconnections with the pacific decadal oscillation

Veettil

Bianchini²,

Bremer

et al. 2015

Geocarto International

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This study discusses the formation and variations of supraglacial lakes on the Baltoro glacier system in the central Karakoram Himalaya during the last four decades. We mapped supraglacial lakes on the Baltoro Glacier from 1978 to 2014 using Landsat MSS, TM, ETM + and LCDM images. Most of the glacial lakes were formed or expanded during the late 1970s-2008. After 2008, the total number and the area of glacial lakes were found to be lesser compared to previous years. We tried to find any teleconnections exists between the glacial lake changes in this region and the pacific decadal oscillation (PDO), which entered its prolonged warm regime in the late 1970s and again to its cold regime in 2008, based on observational investigation. The decrease in the number and area of the supraglacial lakes after 2008 is hypothesised to be linked with the recent cold phase of PDO.

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“…The influence of the western disturbances in the Karakoram Himalaya does not have a specific geographic limit. Some research [77], however, delineates climate geographic regions over Pakistan through climate station data for the period 1951-2000. This work shows that the region mainly influenced by the westerlies is north of 35 • N, and the area to the south is mostly affected by the Indian summer monsoon.…”

Section: Midlatitude Subtropical Westerly Jet and Westerly Disturbancesmentioning

confidence: 99%

Climate–Glacier Dynamics and Topographic Forcing in the Karakoram Himalaya: Concepts, Issues and Research Directions

Dobreva

Bishop

Bush

2017

Water

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Abstract:Understanding climate-glacier dynamics in High Mountain Asia is of critical importance to address issues including water resources, sea-level rise, mountain geodynamics, natural hazards and ecosystem sustainability. The Karakoram Himalaya is arguably the least understood region, given its extreme topography, climate-system coupling, and advancing and surge-type glaciers that exhibit complex flow patterns. Glacier fluctuations in the Karakoram Himalaya are highly variable in space and time because of numerous controlling factors, including the westerlies, the Indian summer monsoon, various teleconnections, topographic effects, glacier debris-cover characteristics, glacier dynamics, and geological conditions. The influence of the integrative coupling of forcing factors, however, has not been adequately assessed for characterizing the glaciers in the Karakoram Himalaya. Given the scarcity of in-situ data and the difficulty of conducting fieldwork on these glaciers, recent research has focused on utilizing remote sensing, geospatial technologies, and scientific modeling to obtain baseline information about the state of glaciers in the region. This review summarizes our current knowledge of glaciers, climate-glacier interaction, and topographic forcing in the Karakoram Himalaya, and demonstrates the complexities in mountain geodynamics that influence climate-glacier dynamics. Innovative analysis is also presented in support of our review and discussion.

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35 Research on global changes in Pakistan

Cited by 10 publications

References 4 publications

Sustainability of water resources management in the Indus Basin under changing climatic and socio economic conditions

Sustainability of water resources management in the Indus Basin under changing climatic and socio economic conditions

Recent variations of supraglacial lakes on the Baltoro Glacier in the central Karakoram Himalaya and its possible teleconnections with the pacific decadal oscillation

Climate–Glacier Dynamics and Topographic Forcing in the Karakoram Himalaya: Concepts, Issues and Research Directions

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