Modeling global nutrient export from watersheds

Carolien Kroeze

doi:10.1016/j.cosust.2012.01.009

2012-05-01

PRE

Carolien Kroeze *

Lex Bouwman

Sybil P. Seitzinger

DOI：10.1016/j.cosust.2012.01.009

原文链接

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摘要

En 中文

We describe how global models can be used to analyze past and future trends in nutrient export from watersheds and how such models can be used to analyze causes and effects of coastal eutrophication. Future nutrient inputs to coastal waters may be higher than today, and nutrient ratios may depart from Redfield ratios, but not in all world regions. We discuss the strengths and weaknesses of available nutrient export models. We argue that future global nutrient export models are preferably dynamic, distributed and mechanistic. There is a need for agricultural and sanitation policies aimed at reducing coastal eutrophication. More measurements of nutrients in rivers are needed, especially in the tropics.

Keyword:

SAMPLING FREQUENCY

REACTIVE NITROGEN

SURFACE-WATER

RIVER-SYSTEMS

PHOSPHORUS

TRENDS

TRANSPORT

GULF

TERRESTRIAL

ECOSYSTEMS

AI总结

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期刊

Current Opinion in Environmental Sustainability

IF:

6.3

论文数:

1.4K

被引数:

9.4K

机构

Utrecht University

学者数:

6.0W

论文数: 5.1W

被引数: 5.8W

Wageningen University & Research

学者数:

2.9W

论文数: 2.8W

被引数: 55

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