Glacier Systems And Seasonal Snow Cover In Six Major Asian River Basins
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Glacier Systems and Seasonal Snow Cover in Six Major Asian River Basins by Savoskul, O. S.,Smakhtin, V. Pdf
The hydrological roles of glaciers and seasonal snow in the Indus, Ganges, Brahmaputra, Amu Darya, Syr Darya and Mekong basins are, for the first time, assessed comprehensively at a major river basin scale in this paper. Contribution of glacier runoff, subdivided into renewable and nonrenewable components, and seasonal snowmelt to mean annual flow is evaluated for two time slices: 1961-1990 and 2001-2010. The recent changes of the hydrological roles of glaciers and snow, and the most likely changes of those under future climate change are analyzed.
Glacier Systems and Seasonal Snow Cover in Six Major Asian River Basins by Savoskul, O. S.,Smakhtin, V. Pdf
This paper presents a comprehensive assessment of the water storage properties of glaciers and seasonal snow, carried out for the first time at a major river basin scale, for the Indus, Ganges, Brahmaputra, Amu Darya, Syr Darya and Mekong basins. It analyzes the changes of glaciers and snow under recent climate change, i.e., between the baseline (1961-1990) and current (2001-2010) periods. The paper also addresses climate change sensitivity of glacier systems and the changes that might be expected under a warming scenario for the end of the twenty-first century.
The Aral Sea Basin by Stefanos Xenarios,Dietrich Schmidt-Vogt,Manzoor Qadir,Barbara Janusz-Pawletta,Iskandar Abdullaev Pdf
This book offers the first multidisciplinary overview of water resources issues and management in the Aral Sea Basin, covering both the Amu Darya and Syr Darya River Basins. The two main rivers of Amu Darya and Syr Darya and their tributaries comprise the Aral Sea Basin area and are the lifeline for about 70 million inhabitants in Central Asia. Written by regional and international experts, this book critically examines the current state, trends and future of water resources management and development in this major part of the Central Asia region. It brings together insights on the history of water management in the region, surface and groundwater assessment, issues of transboundary water management and environmental degradation and restoration, and an overview of the importance of water for the key economic sectors and overall socio-economic development of Central Asian countries, as well as of hydro politics in the region. The book also focusses on the future of water sector development in the Basin, including a review of local and international actors, as well as an analysis of the current status and progress towards the Sustainable Development Goals by Basin countries. The book will be essential reading for those interested in sea basin management, environmental policy in Central Asia and water resource management more widely. It will also act as a reference source for decision-makers in state agencies, as well as a background source of information for NGOs.
A participatory approach for hydrometeorological monitoring in the Blue Nile River Basin of Ethiopia by Zemadim, B.,McCartney, M.,Langan, S.,Sharma, B. Pdf
Participatory research is increasingly recognized as being useful for conducting multiple activities in research for development projects. The co-learning environment created in participatory research helps to identify existing social and technological gaps, and develop possible solutions to improve the livelihoods of rural communities. This report describes a participatory approach used in the establishment and implementation of hydrometeorological monitoring networks in the Blue Nile River Basin of Ethiopia. The networks were established with the involvement of rural communities and other stakeholders to gain insights into the hydrological processes of the watersheds, in order to improve rainwater management strategies. Local people were involved in the day-to-day management and maintenance of the networks. The participatory approach proved beneficial for several reasons, not least, because it instilled trust and goodwill amongst the communities.
Global Water Demand Projections: Past, Present and Future by Upali A. Amarasinghe,Vladimir Smakhtin Pdf
A review of global water demand projections (WDPs) show substantial over- or under-estimation. The pre-1990 WDPs, with population as the main driver of change, over-projected current water use by 20 to 130%. The post-1990 WDPs, with sophisticated modeling frameworks, show substantial underestimation under the ‘business-as-usual’ scenarios and are more downward biased under sustainable scenarios. Overall, the value of long-term country-level projections in global WDPs is inadequate for local water resource planning. To increase the accuracy and value of global WDPs, future WDPs should take into account the spatial variation and influence of rapidly changing key exogenous and endogenous drivers of water demand in different sectors across and within countries, and provide a sensitivity analysis of projections.
Determinants of Adoption of Rainwater Management Technologies among Farm Households in the Nile River Basin by Gebrehaweria Gebregziabher,Lisa-Maria Rebelo,An Notenbaert,Kebebe Ergano,Yenenesh Abebe Pdf
Agriculture is the main sector of the Ethiopian economy. Uneven distribution of rainfall, droughts and high rainfall intensities contribute to low agricultural productivity and high levels of food insecurity. High population growth, the cultivation of steep and marginal lands, poor land management practices and lack of effective rainwater management (RWM) strategies aggravate the situation. Studies show that the adoption of RWM technologies is low and is influenced by several factors. This study assesses the patterns and the factors that influence farm household adoption of RWM technologies. Unlike previous studies which typically examined a single technology rather than the interdependence between technologies, the conceptual framework of this study is based on the premise that farmers are more likely to adopt a combination of promising RWM technologies. The need to consider this interdependence is one of the many recommendations made by this study to promote the adoption of RWM technologies.
Water for Food in Bangladesh: Outlook to 2030 by Amarasinghe, Upali A,Sharma, Bharat R,Muthuwatta, Lal,Khan, Z. H Pdf
This study assesses the changing consumption patterns of rice in Bangladesh and its implications on water demand by 2030. Rice dominates food and water consumption patterns in the country; it contributed to 72% of the total calorie supply from food, and 81% and 79% of the total cropped and irrigated area, respectively, in 2010. Forecasts using time series models show rice demand for food consumption, which was 172 kg/person/ year in 2008, will have a negligible increase by 2 kg/person by 2030. The demand for rice for feed will double with increasing animal products in the diet, which is only 4% of the calorie intake in 2008. Between 2000 and 2010, the total population and demand for rice have increased by 15% and 22%, and these will increase further by 22% and 25%, respectively, over the next two decades. Forecasts of rice yield, area and production show that the country can meet the increasing demand for rice and can also have substantial production surpluses. However, the rice surpluses will come at a considerable environmental cost, because the demand for groundwater consumptive water use from irrigation alone could exceed the natural recharge in many locations. Bangladesh can mitigate potential water crises by limiting rice production to meet the requirements of self-sufficiency. Increases in water productivity of both Aman (wet season) and Boro (dry season) rice production can help too. A carefully designed deficit irrigation regime for Boro rice can increase transpiration, yield, water productivity and production, and reduce the pressure on scarce groundwater resources. Simultaneously, attention must also be given to exploring the potential of recharging groundwater using the vast amount of monsoon floodwaters to alleviate the stress on groundwater resources.
Land Reforms and Feminization of Agricultural Labor in Sughd Province, Tajikistan by Nozilakhon Mukhamedova,Kai Wegerich Pdf
This report analyzes the influence of agrarian transformations on the feminization of agricultural production in rural Tajikistan. It explores women’s multiple labor relations for meeting basic needs of the household. The evidence shows that households have to depend on more types of agricultural work to secure day-to-day as well as long-term livelihood security. Overall, feminization appears in different types and groupings. The implication is that women in agriculture might not be adequately targeted in policies or integrated within intervention programs.
Agricultural Water Storage in an Era of Climate Change: Assessing Need and Effectiveness in Africa by Matthew McCartney,Lisa-Maria Rebelo,Stefanos Xenarios,Vladimir Smakhtin Pdf
By mitigating the vagaries of climate variability, agricultural water storage is widely anticipated to make a key contribution to climate change adaptation in Africa. However, if the planning of water storage is not improved, it is likely that many investments will fail to fully deliver intended benefits. This report describes the agricultural water storage continuum and some of the possible implications of climate change. A simple diagnostic tool which can be used to provide a rapid evaluation of the need and effectiveness of different water storage options, under existing and possible future climate conditions, is presented.
Facilitating outcomes by Amerasinghe, P.,Cofie, O. O.,Labri, T. O.,Drechsel, P. Pdf
The Multi-stakeholder Policy Formulation and Action Planning approach was applied in the context of a multi-city study to influence and/or change policies that govern urban agriculture practices in three African and two Asian countries. Although the approach was successful and resulted in remarkable outcomes, it showed space for improvement to facilitate its application. The study also showed that there are significant regional differences in how best to achieve policy change, which require careful attention in order to achieve the highest returns on investment in the facilitation of impact pathways.
Water Resources of Pakistan by Muhammad Arif Watto,Michael Mitchell,Safdar Bashir Pdf
This book presents the first comprehensive assessment of water resources in Pakistan including surface water resources and groundwater resources. It gives a detailed overview of issues and challenges related to water which have not been adequately addressed e.g. water resource vulnerability to climate change, groundwater depletion and contamination, and water governance etc. It includes a collection and compilation of unpublished and scattered data from the archives and repositories of various national institutions and organization. Given the literature dearth, this book will not only be a comprehensive assessment of water resources in Pakistan but can also can as outstanding textbook on water resource management in Pakistan. It will attract a great range of readership including water specialists, researchers, undergraduate and post graduate students and policy makers from Pakistan as well as from overseas.
Himalayan Weather and Climate and their Impact on the Environment by A.P. Dimri,B. Bookhagen,M. Stoffel,T. Yasunari Pdf
This book proposes a unique and comprehensive integrated synthesis of the current understanding of the science of Himalayan dynamics and its manifestations on physical systems and ecosystems at different spatial and temporal scales. In particular, this work covers relevant aspects of weather and climate, paleoclimate, snow, glacier and hydrology, ecology/forestry among other topics associated with the Himalayas. It highlights the role of the Himalayas in defining local to regional to global scale impact on weather and climate. It includes Himalayan impact on defining physical basis of changing glacier systems, permafrost melting/thawing, climate variability, and hydrological balances. As a result, this volume represents an important synthesized overview both for environmental and earth science researchers, and for policy makers and stakeholders interested in the physical and dynamical processes associated with the Himalayan massif.
A River Flows Through It: A Comparative Study of Transboundary Water Disputes and Cooperation in Asia explores water disputes in Asia and addresses the question of how states sharing a river system can be incentivized to cooperate. Water scarcity is a major environmental, societal, and economic problem around the world. Increasing demand for water as a result of rapid economic development, high population growth and density has depleted the world’s water resources, leading to floods, droughts, environmental disasters, and societal displacement. Shared river basins are therefore often a source of tension and conflict between states. In regions where relations between countries have historically been conflictual, scarce river water resources have exacerbated tensions and have even sparked wars. Yet, more often than not, states sharing a river basin are able to come to some form of agreement, whether they are far-reaching ones such as water-sharing agreements or those that are more limited such as the sharing of hydrological data. Why do riparian states cooperate, especially when power asymmetries between upstream and downstream countries are characteristic of transboundary river basins? How do non-state actors affect the management of international rivers? What are the conditions that facilitate or hinder cooperation? This book wrestles with these questions by exploring water disputes and cooperation in the major river systems in Asia, and by comparing them with cases in Africa, Europe, and the United States. This book will be of great value to scholars, students, and policymakers interested in transboundary water disputes and cooperation, hydro-diplomacy, and river activism. It was originally published as special issues of Water International.
Spatial Impacts of Climate Change by Denis Mercier Pdf
Climate change has been a central concern over recent years, with visible and highly publicized consequences such as melting Arctic ice and mountain glaciers, rising sea levels, and the submersion of low-lying coastal areas during mid-latitude and tropical cyclones. This book presents a review of the spatial impacts of contemporary climate change, with a focus on a systematic, multi-scalar approach. Beyond the facts – rises in temperature, changes in the spatial distribution of precipitation, melting of the marine and terrestrial cryosphere, changes in hydrological regimes at high and medium latitudes, etc. – it also analyzes the geopolitical consequences in the Arctic and Central Asia, changes to Mediterranean culture and to viticulture on a global scale, as well as impacts on the distribution of life, for example, in the Amazon rainforest, in large biomes on a global scale, and for birds.