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Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies

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A Bibliometric Analysis on Nonpoint Source Pollution: Current Status, Development, and Future.

Ping Lei^1,2, Ram Kumar Shrestha^1,3, Bing Zhu²

¹College of Resources and Environment, Southwest University, Chongqing 400715, China.

International Journal of Environmental Research and Public Health

|August 7, 2021

Summary

This summary is machine-generated.

Bibliometrics reveals a significant rise in nonpoint source pollution (NPS) research globally. Key focus areas include water quality and nutrient management, with SWAT modeling gaining prominence for watershed-scale solutions.

Keywords:

bibliometric analysis geographic distribution keyword analysis nonpoint source pollution

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Area of Science:

Environmental Science
Water Resource Management
Bibliometrics

Background:

Nonpoint source pollution (NPS) is a primary global water quality issue.
Existing reviews lack quantitative analysis of research trends and hotspots.
Understanding research status is crucial for guiding future NPS studies.

Purpose of the Study:

To quantitatively analyze the status, hotspots, and frontiers of NPS research from 1991-2015.
To predict future research development trends in NPS pollution.
To provide a comprehensive overview of the global NPS research landscape.

Main Methods:

Bibliometric analysis of publications from 1991-2015.
Identification of influential journals, authors, and research regions.
Keyword analysis to determine research themes and trends.

Main Results:

Significant growth in NPS publication output and international collaboration observed.
United States, North America, and Europe are dominant research regions.
Water quality and nutrient management are key research topics; pesticide concerns have decreased.
SWAT model is widely adopted for watershed-scale management.

Conclusions:

NPS research is expanding, with increasing global participation.
Research focus has shifted towards water quality and nutrient management.
SWAT model is a critical tool for addressing NPS pollution at the watershed level.