Water Resources, Environments, and Cycle
نویسندگان
چکیده
منابع مشابه
Hydrology and Water Resources 4
CONTENTS • There are apparent trends in streamflow volume—both increases and decreases—in many regions. These trends cannot all be definitively attributed to changes in regional temperature or precipitation. However, widespread accelerated glacier retreat and shifts in streamflow timing in many areas from spring to winter are more likely to be associated with climate change. • The effect of cli...
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During waning flood flows in gravel-bed streams, finegrained bedload sediment (sand and fine gravel) is commonly winnowed from zones of high shear stress, such as riffles, and deposited in pools, where it mantles an underlying coarse layer. As sediment load increases, more fine sediment becomes available to fill pools. The volume of fine sediment in pools can be measured by probing with a metal...
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Water resources of a country constitute one of its vital assets. India receives annual precipitation of about 4000 km. The rainfall in India shows very high spatial and temporal variability and paradox of the situation is that Mousinram near Cherrapunji, which receives the highest rainfall in the world, also suffers from a shortage of water during the non-rainy season, almost every year. The to...
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Unlike the industrialised countries of the Pacific Rim, the economies of Pacific islands remain dependent on natural resources. Their exports are dominated by minerals, timber, fish, agricultural products and tourism. Moreover, in contrast to Pacific Rim countries—where the majority of the population is fully integrated into the cash economy—a large proportion of the population of the Pacific s...
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The imbalance between water supply and demand in the country has challenged water resource management, especially in the agricultural sector. The virtual water study approach, as an approach that values the use of water inputs in the production and consumption of various commodities, has been established and discussed for almost two decades. Based on this concept, the issue of virtual water tra...
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ژورنال
عنوان ژورنال: Journal of Japanese Association of Hydrological Sciences
سال: 2002
ISSN: 1342-9612,1883-7166
DOI: 10.4145/jahs.32.1