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Evaluation of bench terracing model parameters transferability for runoff and sediment yield on catchment modelling

Stefan Strohmeier, Sihem Benabdallah, Hamadi Habaieb
Knowledge about the effectiveness of Soil and Water Conservation (SWC) interventions is a key for sustainable watershed management. Various modeling tools support the SWC assessment. However, setting the parameters for SWC works remains challenging due in part to different environmental and scale constraints as well as lack of monitoring information. This research tests the transferability of a Bench Terrace Parameter-Set (BTPS) obtained, through the Soil and Water Assessment Tool (SWAT) model, for the experimental site of the terraced agricultural catchment (Sbaihia) to the receiver El-Gouazine catchment based on model performance assessment. This was facilitated by daily river discharge and multi-annual sedimentation records obtained at El-Gouazine hill-lake for both prior and post Bench Terrace (BT) implementation periods. Prior to the terracing (1994–1996) period, the calibration of the SWAT model using SUFI2 algorithm ....

Water Conservation , Bench Terrace Parameter Set , Water Assessment Tool , Bench Terrace , Nash Sutcilffe Efficiency , Curve Number , Modified Universal Soil Loss Equation , தண்ணீர் பாதுகாப்பு , தண்ணீர் மதிப்பீடு கருவி , வளைவு எண் ,

Changing cropping systems in impaired watersheds can produce water quality gains

Changing cropping systems in impaired watersheds can produce water quality gains
psu.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from psu.edu Daily Mail and Mail on Sunday newspapers.

Conewago Creek , United States , Fei Jiang , Patrick Drohan , Heather Preisendanz , Charlie White , Cibin Raj , Patrick Drohan Penn , Us Department Of Agriculture Pasture Systems , Department Of Entomology , Management Research Unit , European Union , College Of Agricultural Sciences , Penn State , Susquehanna River , Chesapeake Bay , Agricultural Sciences , Water Assessment Tool , Agricultural Payment , Tamie Veith , Pasture Systems , Watershed Management Research , National Institute , கோனேவாகோ க்ரீக் , ஒன்றுபட்டது மாநிலங்களில் , ஃபெ ஜியாங் ,

Study looks at reallocating crops for pollution reductions

Study looks at reallocating crops for pollution reductions
farmprogress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from farmprogress.com Daily Mail and Mail on Sunday newspapers.

United States , Fei Jiang , Patrick Drohan , European Union , Penn State College Of Agricultural Sciences , National Institute Of Food , Chesapeake Bay , Penn State , Conewago Creek , Water Assessment Tool , Agricultural Payment , ஒன்றுபட்டது மாநிலங்களில் , ஃபெ ஜியாங் , பேட்ரிக் திரோான் , ஐரோப்பிய தொழிற்சங்கம் , தேசிய நிறுவனம் ஆஃப் உணவு , செசபீக் வளைகுடா , பென் நிலை , கோனேவாகோ க்ரீக் , தண்ணீர் மதிப்பீடு கருவி ,

Changing cropping systems in impaired watersheds can produce water quality gains

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IMAGE: In the simulations, hay was reallocated onto landscapes most vulnerable to erosion and nutrient loss, such as the areas near streams, whereas corn-soybean rotations were reallocated onto less vulnerable areas..
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Credit: Patrick Drohan, Penn State
Growing the right crop in the right place within an impaired watershed can achieve significant water quality improvements, according to Penn State researchers, who conducted a novel study in the drainage of a Susquehanna River tributary in an agricultural area in southeastern Pennsylvania.
The research may reveal a potential path for restoring the troubled Chesapeake Bay, said Patrick Drohan, associate professor of pedology in the College of Agricultural Sciences and one of the study s authors. The bay which long has been impaired in large part by nutrients and sediment washing off crop fields and getting into surface waters that feed it needs bold solutions, such as changing crop ....

Conewago Creek , United States , Fei Jiang , Patrick Drohan , Heather Preisendanz , Charlie White , Cibin Raj , Us Department Of Agriculture Pasture Systems , Department Of Entomology , Management Research Unit , European Union , College Of Agricultural Sciences , Penn State , Susquehanna River , Chesapeake Bay , Agricultural Sciences , Water Assessment Tool , Agricultural Systems , Agricultural Payment , Tamie Veith , Pasture Systems , Watershed Management Research , National Institute , Agricultural Production Economics , கோனேவாகோ க்ரீக் , ஒன்றுபட்டது மாநிலங்களில் ,