搜索结果: 1-15 共查到“河流学与河口水文学 water”相关记录23条 . 查询时间(0.31 秒)
World Water Day: Citizen scientists provide valuable information on intermittent rivers（图）
World Water Day Citizen scientists valuable information intermittent rivers
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2019/11/22
On World Water Day and throughout the year, citizen scientists are providing valuable data on intermittently dry rivers in the Southwest United States.Trained citizen scientists are mapping three such...
Application of Chemical Mass Balance to Water Quality Data of Malaprabha River
Mass balance Salinity advection base flow
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2015/8/6
Mass balance calculations carried out for Na, K, Ca, Mg, Cl, SO4 and HCO3 for the study area showed that the major source of contamination is through non-point sources. It is also observed that the ri...
Application of Chemical Mass Balance to Water Quality Data of Malaprabha River
Mass balance Salinity advection base flow
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2015/1/4
Mass balance calculations carried out for Na, K, Ca, Mg, Cl, SO4 and HCO3 for the study area showed that the major source of contamination is through non-point sources. It is also observed that the ri...
Phreatic Water Surface Profiles along Ice Jams - An Experimental Study
Phreatic Water Surface Profiles Ice Jams Experimental Study
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2009/10/23
In Northern Regions, the formation of ice jams along many rivers is a common phenomena.
Thcsc ice jams may occur during the freeze-up and more importantly during
the spring break-up period. Ice jams...
Naturalization of Drainage Channels in Lithuania and Possibilities of Their Maintenance as Water Recipients
Naturalization Drainage Channels Maintenance Water Recipients
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2009/10/22
In the process of high expansion of drainage systems and land cultivation, most
natural watercourses in Lithuania were converted into drainage channels. They
were deprived of all natural riparian ve...
WATER QUALITY OF THE PARANÁ RIVER AT CORRIENTES, ARGENTINA：A TEN YEAR RECORD
WATER QUALITY CORRIENTES PARANÁ RIVER
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2009/10/13
This paper presents results of particular interest for the assessment of the water quality of the Paraná River. By considering its physical-chemical and bacteriological composition at this point in ti...
CHEMICAL AND ISOTOPIC COMPOSITION OF WATER FROM SPRINGS AND WELLS IN THE DAMOUR RIVER BASIN AND THE COASTAL PLAIN IN LEBANON
spring waters groundwater resources coastal Mediterranean plain
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2009/10/12
A hydrochemical and isotopic study was carried out on spring waters of the Damour River Basin and groundwaters from wells in the coastal Mediterranean plain in Lebanon. The aim of this study was to de...
Agricultural-to-hydropower water transfers: sharing water and benefits in hydropower-irrigation systems
hydropower water transfers water resources systems agricultural
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2009/7/22
This paper presents a methodology to assess agricultural-to-hydropower water transfers in water resources systems where irrigation crop production and hydropower generation are the main economic activ...
HESS Opinions “Urgent water challenges are not sufficiently researched”
Urgent water challenges sufficiently researched HESS Opinions
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2009/7/22
In this opinion paper we submit that water experts conduct comparatively little research on the more urgent challenges facing the global community. Five specific biases are identified. First, researc...
Quantifying the effect of land use and land cover changes on green water and blue water in northern part of China
land use green water land cover changes blue water
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2009/7/22
Changes in land use and land cover (LULC) have been occurring at an accelerated pace in northern parts of China. These changes are significantly impacting the hydrology of these parts, such as Laohahe...
A view of water quality from the Plynlimon watershed
water quality Plynlimon watershed
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2009/6/8
A summary of hydrochemical research in the Plynlimon catchments from 1983 to the present is related to identifying water flow pathways within catchments and the modelling of soil and stream water acid...
Stream water quality in acid sensitive UK upland areas：an example of potential water quality remediation based on groundwater manipulation
Stream water quality potential water quality groundwater manipulation
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2009/6/8
The patterns of variation in water quality for an acidic stream draining plantation forest overlying acidic and acid sensitive gley soils with shale and slate bedrock changed following the introductio...
Extension of the QUASAR river water quality model to incorporate dead-zone mixing
water quality dead-zone mixing QUASAR river
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2009/6/5
A modification to the well-known water quality model "Quality Simulation Along River Systems" (QUASAR) is presented, extending its utility to real-time forecasting applications such as the management ...
Ditch water levels manages for environmental aims：effects on field soil water regimes
field soil water regimes ditch water management pump drainage
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2009/5/26
The effects of ditch water management regimes on water tables are examined for two test sites in England, Halvergate in the Broads and Southlake Moor in the Somerset Levels and Moors Environmentally S...
Hydrological processes and water resources management in a dryland environment IV：Long-term groundwater level fluctuations due to variation in rainfall
Long-term groundwater level fluctuations rainfall dryland environment
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2009/5/26
To evaluate the effects of variations in rainfall on groundwater, long-term rainfall records were used to simulate groundwater levels over the period 1953-96 at an experimental catchment in south-east...