Lake tana water balance

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August undefined, 2024

Tīmeklis2024. gada 14. apr. · Lake Tana basin encompasses a wide regional volcanic aquifer system, in the northwestern highlands of Ethiopia. It has significant water resource potential for water supply and irrigation purposes. The objective of this study was to assess the physiochemical characteristics of the surface water-groundwater and … Tīmeklis2024. gada 16. aug. · The Lake Tana basin is located in the north-western highlands of Ethiopia. It is the second largest sub-basin of the Blue Nile River. Lake Tana is the largest freshwater lake in Ethiopia and the third largest in the Nile basin ( Figure 1 ). The catchment area of the lake at its outlet is 15,321 km 2.

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TīmeklisWe observe that the Lake Manyara water balance and GRACE equivalent water depth show comparable trends a decrease after 2002 followed by a sharp increase in 2006-2007. Despite the small size of … TīmeklisLake Tana's flow system is governed by four main components: the inflow from surrounding river catchments into the lake, the outflow at Bahir Dar through the Blue … tdmkids

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Tīmeklis2006. gada 10. janv. · The water balance of an open lake is normally given as d H d t = P ( t) − E ( t) + ( R in ( t) − R out ( t) + G net ( t) A ( h)) + ε t where H is the level of the … TīmeklisA comparison of water yield changes and LULCs in the Lake Tana basin (Table 7) reveals that the increase in water yield from 1989 to 2024 is due to a consistent increase in agricultural land and a concurrent decrease in shrublands. 3.4 Lake Tana Basin Lateral Flow, Surface Runoff, Evapotranspiration, and Water Yield Tīmeklis2016. gada 15. marts · Lake Tana occupies a wide depression in the Ethiopian plateau that covers an area of 3156 km 2 in area. It is the third largest Lake in the Nile Basin … tdmis-3000

Modelling lake stage and water balance of Lake …

Modelling Hydrological and Hydrodynamic Processes in Lake Tana …

Tīmeklis2024. gada 1. aug. · The physically-based water balance model, WetSpass has effectively been applied to simulate the water balance components of Lake Tana basin, containing the largest lake of Ethiopia. The model simulates the mean annual major river inflows with a coefficient of determination (R 2) of 80%. The model better simulated … Tīmeklis2015. gada 1. janv. · Therefore, the runoff used for recharge estimation using the soil water balance and chloride mass balance method is 24%, which is obtained by … tdmobile回線管理システムTīmeklis2024. gada 14. sept. · Water hyacinth is a well-known invasive weed in lakes across the world and harms the aquatic environment. Since 2011, the weed has invaded Lake Tana substantially posing a challenge to the ecosystem services of the lake. The major factors which affect the growth of the weed are phosphorus, nitrogen, temperature, … tdmogrttool

"TīmeklisLake Tana synonyms, Lake Tana pronunciation, Lake Tana translation, English dictionary definition of Lake Tana. Noun 1. Lake Tana - a lake in northern Ethiopia; … " - Lake tana water balance

Lake tana water balance

Potential of Water Hyacinth Infestation on Lake Tana, Ethiopia: …

Tīmeklis2024. gada 11. apr. · The recreational benefit of Lake Tana is a major component of its total value due to its diverse aesthetic attributes, which include not only the lake’s larger body of water but also the crossing of the Blue Nile, island churches and forests, fauna, and wetlands, as well as transportation services available around it [8,14,17,18]. All … Tīmeklis2006. gada 10. janv. · Water balance of Lake Tana 3.1. Components of the water balance 3.1.1. Bathymetry, precipitation, river inflow, lake levels and outflows To estimate precipitation on the lake, we used the monthly series of rainfall (1960–1992) at the Bahrdar station (the nearest station located at the southern shore of the Lake).

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Tīmeklis2013. gada 20. marts · In a water balance study, it was reported that annual average rainfall over the lake is 4.68 bcm, gaged flow 2.78 bcm, ungauged flow 4.7 bcm, … Tīmeklis2024. gada 1. dec. · The Lake Tana sub-basin is one of the agricultural growth corridors for Ethiopia’s ambitious plan to expand irrigation. Despite the booming irrigation activities in the sub-basin, limited information exists on the rate of irrigation expansion and its impact on the water balance of the sub-basin.

TīmeklisKebede S., Y.Travi , T.Alemayehu, V Marc, 2005, Water balance of Lake Tana and its sensitivity to fluctuationsin rainfall, Blue Nile basin, Ethiopia, Journal of Hydrology … TīmeklisLake Tana is the largest lake in Ethiopia. The outflow is the source of the Blue Nile and this water is fundamental for many livelihoods and delivers ecosystem services to downstream - international - stakeholders. It is essential to estimate the major hydrological flow processes of the Lake Tana Basin, including the runoff from …

TīmeklisIn recent years, few studies are presented on the water balance of Lake Tana. In these studies, the water balance is closed by unknown runoff contributions from ungauged catchments.... TīmeklisDifferent hydrological models for predicting discharge from various inputs have been tested with water balance approach in the Lake Tana basin, for instance the Parameter Efficient semi-Distributed Watershed Model (PED-WM) developed by [3] and used in Lake Tana basin by [4] [5] [6] . Hydrologiska Byrans Vatten balansav delning …

TīmeklisThe first presence of water hyacinth in Lake Tana was recognized in 2011 [23] and has continued to expand at an alarming rate. The total shoreline length of Lake Tana is estimated to be 385 km with over 30% now infested with E. crassipes.

TīmeklisLake Tana, largest lake of Ethiopia, in a depression of the northwest plateau, 6,000 feet (1,800 metres) above sea level. It forms the main reservoir for the Blue Nile (Abbay) … eg67\u0027sTīmeklisIn this study, a mass balance approach is used to estimate the hydrological balance of the lake. Water influx from four major rivers, subsurface inflow from the floodplains, … eg540c takamine priceTīmekliswhich is a high altitude lake in the source area of the Blue Nile (altitude 1786 m, average area 3000 km2). A ground survey in the Lake Tana catchment area was carried out … eg523sc takamine priceTīmeklis2024. gada 1. jūn. · The Samalqan river watershed is located between 37° 21′ to 37° 39′ north latitude and 56° 25′ to 57° 06′ east longitude with semiarid to arid climate in Atrak basin, North Khorasan Province, Iran (Fig. 1 ). The total geographical area is 1148 km 2 that consist of 927 km 2 mountainous terrains and about 221 km 2 plain and aquifer. tdmm tests eg6 japanTīmeklisKebede S., Y.Travi , T.Alemayehu, V Marc, 2005, Water balance of Lake Tana and its sensitivity to fluctuationsin rainfall, Blue Nile basin, Ethiopia, Journal of Hydrology Volume 316, Issues 1-4, eg7012b39su1Tīmeklisannual water balance of the lake, respectively. This indicates that the river inflow contributes the major Lake inflow and evaporation over the lake surface accounts … tdms java