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ładunek N i P

English translation: N and P loads

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Polish term or phrase:ładunek N i P
English translation:N and P loads
Entered by: Frank Szmulowicz, Ph. D.

13:07 Sep 10, 2014
Polish to English translations [PRO]
Tech/Engineering - Ships, Sailing, Maritime
Polish term or phrase: ładunek N i P
Procesy wielkoskalowe, które nie zostały wzięte pod uwagę w ramach prac dot. celów redukcyjnych a które oprócz ładunków N i P zasilających Bałtyk w odpływie rzecznym są równie ważnymi czynnikami, czyniącym rejon Bałtyku wrażliwym na eutrofizację ..
Django
Poland
Local time: 18:28
N and P loads
Explanation:
Evaluation of Non-Point Source N and P Loads in a Small Mixed Land Use Land Cover Watershed

Non-point source pollution (NPS) of water resources has become a major problem in recent years due to more human interactions and disturbances to natural landscapes. The problem can have more impacts in sub-humid subtropical regions where high intensity monsoon rains have greater effects on hydrologic proc-esses and thus the assessment of those effects is necessitated for strategic water resources and environmental management. Since spatial and temporal changes of NPS pollutants are difficult to assess on a watershed scale, the assessment can be done effectively using a suitable water quantity-quality model coupled with GIS and remote sensing that incorporates spatial variations. The objective of this study was to assess the N and P loads from a small mixed type watershed comprising different land use land covers with the aid of Soil and Water Assessment Tool (SWAT)-a hydrologic-water quality model. The model was calibrated for runoff and sediment transport and then simulation of associated N and P loads as NPS pollution was done and compared with measured values at the outlet of the watershed which is part of the DVC Command, Hazaribagh, India. The calibrated SWAT model was used to estimate the water soluble NO3-N, NH4-N, P, organic N and or-ganic P loads being transported as pollutants by runoff and percolated water. The estimates of these pollut-ants provided information on the extent of NPS pollution of water downstream. The results of the study re-veal that the NPS pollutant load in runoff varies with seasonal rainfall patterns and ranges from 2.57 to 4.52 kg/ha in case of NO3-N which accounts for a maximum load of 7661.40 kg of NO3-N in surface runoff from the watershed under study. The total loss of N from the watershed accounts for as high as 8.84 kg/ha, whereas the P load is 0.02 kg/ha. These losses can be as high as 14984.14 kg of total N and 50.85 kg of total P when estimated as NPS pollutants from the watershed. The study is therefore important to get an estimate of the extent of these pollutants and develop measures for mitigating the losses as nutrient as well as pollu-tion of water resources.
Selected response from:

Frank Szmulowicz, Ph. D.
United States
Local time: 12:28
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
3 +1N and P loads
Frank Szmulowicz, Ph. D.


Discussion entries: 1





  

Answers


9 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
N and P loads


Explanation:
Evaluation of Non-Point Source N and P Loads in a Small Mixed Land Use Land Cover Watershed

Non-point source pollution (NPS) of water resources has become a major problem in recent years due to more human interactions and disturbances to natural landscapes. The problem can have more impacts in sub-humid subtropical regions where high intensity monsoon rains have greater effects on hydrologic proc-esses and thus the assessment of those effects is necessitated for strategic water resources and environmental management. Since spatial and temporal changes of NPS pollutants are difficult to assess on a watershed scale, the assessment can be done effectively using a suitable water quantity-quality model coupled with GIS and remote sensing that incorporates spatial variations. The objective of this study was to assess the N and P loads from a small mixed type watershed comprising different land use land covers with the aid of Soil and Water Assessment Tool (SWAT)-a hydrologic-water quality model. The model was calibrated for runoff and sediment transport and then simulation of associated N and P loads as NPS pollution was done and compared with measured values at the outlet of the watershed which is part of the DVC Command, Hazaribagh, India. The calibrated SWAT model was used to estimate the water soluble NO3-N, NH4-N, P, organic N and or-ganic P loads being transported as pollutants by runoff and percolated water. The estimates of these pollut-ants provided information on the extent of NPS pollution of water downstream. The results of the study re-veal that the NPS pollutant load in runoff varies with seasonal rainfall patterns and ranges from 2.57 to 4.52 kg/ha in case of NO3-N which accounts for a maximum load of 7661.40 kg of NO3-N in surface runoff from the watershed under study. The total loss of N from the watershed accounts for as high as 8.84 kg/ha, whereas the P load is 0.02 kg/ha. These losses can be as high as 14984.14 kg of total N and 50.85 kg of total P when estimated as NPS pollutants from the watershed. The study is therefore important to get an estimate of the extent of these pollutants and develop measures for mitigating the losses as nutrient as well as pollu-tion of water resources.

Frank Szmulowicz, Ph. D.
United States
Local time: 12:28
Native speaker of: Native in EnglishEnglish, Native in PolishPolish
PRO pts in category: 103

Peer comments on this answer (and responses from the answerer)
agree  mike23: Yes. Hope you have a great day! // Have a good trip!
10 hrs
  -> Thank you, Michał. You too. (I may be away for a week.)
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