Results 71 to 80 of about 856,631 (145)

Scheduling trend analysis of river water quality indexes in Sichuan Province

open access: yes工程科学与技术, 2009
:In order to predominate comprehensively the abidance situation of water quality indexes of 12 representative inspection stations of main river in Sichuan Province, and to study the scheduling trend characteristic of water qualities, the article analyzed
Liao Jie
doaj  

Preliminary findings of the priority pollutant monitoring project of the nationwide urban runoff program

open access: yes, 1984
pgs. 898-908An on-going evaluation of the environmental hazards posed by priority pollutants in water is being conducted by the U.S. Environmental Protection Agency (EPA). The Monitoring and Data Support Division (MDSD) of the Office of Water Regulations
Frederick, R.E.   +3 more
core  

Toxicological effects of building surface runoff on three aquatic species from different trophic levels

open access: yesEcotoxicology and Environmental Safety
Exterior building materials contribute to stormwater runoff pollution but knowledge of how ecological impacts may vary between different types of building materials remains limited.
Alexandra Müller   +3 more
doaj   +1 more source

The Effects of Ambient Charges in a Cournot Duopoly with a Labor-Managed Firm and a Capitalist Firm [PDF]

open access: yesInternational Journal of Management, Accounting and Economics
Non-point sources of pollution include urban runoff, agricultural runoff, sediment from construction sites, and atmospheric deposition of pollutants.
Kazuhiro Ohnishi
doaj   +1 more source

Quantifying variation of non-point source pollution and its impact factors: A study of Nansi Lake Basin.

open access: yesPLoS ONE
Agricultural non-point source (NPS) pollution directly affects the quality of soil and water, ecological balance and human health, and is a key challenge to achieve sustainable environmental development and efficient resource management. Taking the Nansi
Jiachen Liu   +8 more
doaj   +1 more source

Runoff characteristics in forest plots before and after wood ash fertilization

open access: yesMaderas: Ciencia y Tecnología, 2011
Spreading wood ash on forest and agricultural lands has been used for years to correct pH in acid soils and as a source of plant nutrients. However, it is necessary to enhance the knowledge of potential hazards derived from such a practise.
Avelino Núñez-Delgado   +2 more
doaj  

A low-cost, and simple tool for sampling stormwater surface runoff using a Runoff Collection Unit (RCU)

open access: yesEnvironmental and Sustainability Indicators
An innovative, low-cost Runoff-Collection Unit (RCU) was developed to enable in-situ storm surface runoff sampling without disrupting natural sheet flow.
Felicia Orah Rein
doaj   +1 more source

Runoff characteristics in forest plots before and after wood ash fertilization

open access: yesMaderas: Ciencia y Tecnología, 2014
Spreading wood ash on forest and agricultural lands has been used for years to correct pH in acid soils and as a source of plant nutrients. However, it is necessary to enhance the knowledge of potential hazards derived from such a practise.
Avelino Núñez-Delgado   +2 more
doaj  

Identifying Key Areas of Agricultural Non-Point Source Pollution Control Based on Ecological Stoichiometry

open access: yesShuitu baochi yanjiu, 2020
Based on the nitrogen(N)and phosphorus(P)concentrations in soil and surface runoff from different landscape units in the Chaihe catchment, the eco-stoichiometric characteristics of pollutants were analyzed.
WU Xiaoni   +3 more
doaj  

Common Pollutants in Stormwater Runoff and Actions that Homeowners Can Take to Reduce Stormwater Pollution

open access: yes, 2023
This publication explains what happens when stormwater runoff enters constructed environments, its impacts on water bodies, and how individuals can take steps to lower their own stormwater runoff footprint.
Ann C. Wilkie   +2 more
core  

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