Agricultural catchment
The influence of water erosion processes on sediment and nutriet transport from a small agricultural catchment area
... a catchment area by a model calculation is based on knowledge of the average soil loss in the catchment and the average concentrations of ...small agricultural catchment areas is based on the ...
10
Water and nutrient balances in a large tile drained agricultural catchment: a distributed modeling study
... drained agricultural catchment located in south-central Illi- nois, and calibrated on the basis of all available water quality data, including regional ...
17
Long term changes in runoff from a small agricultural catchment
... small agricultural catchment of the Zagożdżonka River located in the centre of Poland, characterized by mean precipita- tion of 611 mm/a and average runoff of 106 mm/a, indicated no trend in respect of ...
9
Testing the INCA model in a small agricultural catchment in southern Finland
... both agricultural and forested ...a catchment must be described properly before modelling nitrogen ...small agricultural catchment with heterogeneous hydrogeological ...
12
Impact of Arable Land to Grassland Conversion on the Vegetation period Water Balance of a Small Agricultural Catchment (Němčický Stream)
... catchment CN (weighted mean) from 74.8 to 73.0. Such land use change expectedly increases the model parameter BK, but this is difficult to prove without observation. It is, however, known that decreasing the ...
11
Water quality improvements from afforestation in an agricultural catchment in Denmark illustrated with the INCA model
... Scenarios of afforestation of the Horndrup catchment were run with the calibrated parameter file for forest unchanged. The hydrological input data were adjusted to match the water yield for forest and the ...
14
Hydrological controls on DOC : nitrate resource stoichiometry in a lowland, agricultural catchment, southern UK
... At the Greensand site, there appears to be a threshold of discharge of ca. 1.5 mm d −1 in winter above which there is evidence of different hydrological flowpath(s) or sources of water to the river with lower electrical ...
18
Lacustrine wetland in an agricultural catchment: nitrogen removal and related biogeochemical processes
... specific catchment areas such as riparian zones which are able to reduce or buffer the flux of N from terrestrial to aquatic ecosystems (Peterjohn and Correll, 1984; Haycock et ...
12
Impacts of Pig Manure Based Liquid Fertilizer Agricultural Application on the Water Quality of Agricultural Catchment
... from agricultural land flows into surface water and this causes acceleration of eutrophication in the surface ...from agricultural land can be an important factor to not only soil or water, but to the whole ...
6
Soil water dynamic in an agricultural catchment of the central sector of the Duero basin (Spain)
... This comparison allowed to assess the repre-sentativeness of the experimental catchment as an expression of the hydrological dynamics of a territory larger of which is part. The results of the study carried out in ...
16
Experimental determination of the flood wave transformation and the sediment resuspension in a small regulated stream in an agricultural catchment
... Abstract. This paper presents the methodology used for artificial flood experiments conducted in a small artificial, trained (regulated) channel on the Nuˇcice experimental agri- cultural catchment (0.5 km 2 ), ...
11
Ecological risk assessment in a Tasmanian agricultural catchment
... The objective of this project was to understand the probability and significance of effects of chlorpyrifos on aquatic ecosystems in the Mountain River catchment using ecological risk as[r] ...
182
Modelling the effect of different agricultural practices on stream nitrogen load in central Germany
... Results: Results revealed that an increase in mineral fertiliser by 20 % for all crops augmented an increase of monthly stream nitrogen loads in the range of 2 – 6 % compared to the baseline simulations. Also, it was ...
16
Water deficits in Bogowonto : evaluation of hydrological effects of stakeholder prioritized response options for the agricultural water deficits in Bogowonto, Indonesia
... the agricultural demand. In contrast to the domestic demand, the agricultural demand shows a clear seasonal ...The agricultural demand for 2010 and 2035 are given in table ...the agricultural ...
98
The Influence of Agricultural Activities on the Water Quality of the River Sosiani in Uasin Gishu County, Kenya
... Water samples were collected from the river during the dry and wet season and subjected to laboratory testing to establish the status of their chemical-physical qualities. The Hydro meteorological Data on climate and the ...
7
The Investigation of 1997 and 2015 El Nino Events in West Sumatera, Indonesia
... drought in Indonesia, El Nino also causes the opposite effects elsewhere. Ward et al (2016) found by simulation that El Nino events tend to increase not only flood prevalence but also flood duration. In Brazil, El Nino ...
6
Deriving a per-field land use and land cover map in an agricultural mosaic catchment
... The main goal of the data collection campaign was to survey LULC information in the entire catchment. We carried out annual campaigns in 2009–2011 to census the entire land- scape. The term “census” is adopted ...
14
Assessment of Heavy Metals in Rooftop dust around Lake Nakuru Basin, Kenya
... The distribution of heavy metals in the soils is probably controlled by both geogenic and anthropogenic factors 1,2 . Human activities have drastically altered the biogeochemical cycles and balance of heavy metals in the ...
5
East African wetland-catchment data base for sustainable wetland management
... upland agricultural use intensification in these countries due to demographic growth, climate change and globalization effects are leading to an over-exploitation of the resource base, followed by an ...
6
Examining the spatial and temporal variation of groundwater inflows to a valley to floodplain river using 222Rn, geochemistry and river discharge: the Ovens River, southeast Australia
... Ovens Catchment; it is approx- imately 202 km long and originates on the northern flanks of the Victorian Alps and flows ...upper catchment and broad flat alluvial flood plains in the lower ...upper ...
18