نتایج جستجو برای: micro catchment

تعداد نتایج: 127242  

Journal: :International Journal of Environmental Research and Public Health 2018

Journal: :The Science of the total environment 2015
Alessandra Capolupo Stefania Pindozzi Collins Okello Nunzio Fiorentino Lorenzo Boccia

Campania Region of Southern Italy has a complex environmental situation, due to geogenic and anthropogenic soil pollution. Some of the pollutants such as copper are mobilized in the organic matter. It has been shown that wetlands provide physical as well as biogeochemical barriers against pollutants. Therefore, the objective of this study was to introduce and test an innovative approach able to...

2014
Donald P Allan

The purpose of this paper is to review the current research on catchment areas of private general practices in different developed countries because healthcare reform, including primary health care, has featured prominently as an important political issue in a number of developed countries. The debates around health reform have had a significant health geographic focus. Conceptually, GP catchme...

2004
R. Tothy Rudhill Brook

Water quality data, collected by the Environment Agency in England and Wales over 10 years (1991 – 2000) were used to examine the spatial distribution of nutrient pollution risk and for assessing broad-scale spatial and temporal variability in nutrient fluxes across the Wye catchment. Nutrient water quality across the upper and middle Wye catchment, and along the main River Wye, is generally ve...

2018
Chunlin Li Miao Liu Yuanman Hu Rongqing Han Tuo Shi Xiuqi Qu Yilin Wu

As urbanization progresses, increasingly impervious surfaces have changed the hydrological processes in cities and resulted in a major challenge for urban stormwater control. This study uses the urban stormwater model to evaluate the performance and costs of low impact development (LID) scenarios in a micro urban catchment. Rainfall-runoff data of three rainfall events were used for model calib...

Journal: :Acta Geophysica 2022

Abstract Water scarcity and soil erosion are the main constraints small holder farmers facing in Tigray, northern most part of Ethiopia. Both very high low precipitation can cause a damage to agriculture which is case semi-arid regions like Tigray. While too little rainfall cannot support growth crops resulting crop failure, short but intense also causes runoff thereby washing away essential nu...

2005
H. Jang E. Park

Pangyo experimental catchment is located in Unjung Stream, which is the second tributary of the Tan River, the first tributary of the Han River, as well as Geumto Stream, which is a tributary of Unjung Stream. The area of the entire catchment is 23.1 km, with the Geumto Stream catchment spanning 9.84 km and the Unjung Stream catchment 13.26 km. Four ultrasonic stream gauges, one water level gau...

2012
S. Salazar F. Francés J. Komma T. Blume T. Francke A. Bronstert

In this paper, we analyse the effectiveness of flood management measures based on the concept known as “retaining water in the landscape”. The investigated measures include afforestation, micro-ponds and small-reservoirs. A comparative and model-based methodological approach has been developed and applied for three meso-scale catchments located in different European hydro-climatological regions...

2004
B.F.W. Croke

A new approach to regionalisation for prediction of flow characteristics in ungauged catchments is presented. If flows in ungauged catchments are to be predicted using calibrated rainfall-runoff models, regional relationships between the parameters of such models and catchment attributes must be determined. This is only possible with parsimonious models (fewer than about 7 parameters), and even...

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