نتایج جستجو برای: suspended particulate materials spm

تعداد نتایج: 483306  

Journal: :Minerals 2022

Ostracoda are a minor but recurrent component of Southern Ocean marine carbonate factories, and their low-Mg calcitic skeletal mineralogy helps in ensuring noteworthy post-mortem resilience. Our study, based upon surface sediment occurrences, contributes to the better definition distribution vs. potential controlling factors Antarctic waters. The ostracod fauna from Western Ross Sea Shelf appea...

Journal: :Environmental Sciences Europe 2022

Abstract Background European chemicals management aims to protect human health and the environment from legacy emerging contaminants. The plasticizer market changed in response restriction of low molecular weight (LMW) phthalate plasticizers such as Di (2-ethylhexyl) (DEHP) due their hazardous properties. We investigated patterns trends 19 regulated house dust German homes suspended particulate...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2005
Etsu Yamada Sinichi Funoki Yuko Abe Shigekazu Umemura Daisuke Yamaguchi Yasuro Fuse

Ambient particulate matter and gas in Kyoto were investigated by gravimetric analysis, X-ray fluorescence spectrometry, and ion chromatography in order to clarify their behavior and origin. The size distribution and characteristics of the chemical components in ambient particulates collected on PTFE membrane filters using an Andersen air sampler were examined from August 2001 to April 2004. A f...

2016
Marie-Aimée Galeron Olivier Radakovitch Bruno Charrière Jean-François Rontani Boris Peter Koch

Autoxidation is a complex abiotic degradation process, and while it has long been known and well studied in biological compounds, it has been widely overlooked in environmental samples and as a part of environmental processes. With recent observations showing the magnitude of the involvement of autoxidation in coastal environments, it has become critical to better understand how and why this de...

Journal: :IOP conference series 2022

Abstract Earlier, there were limited number of small-scale factories and they operated only for certain hours a day. Therefore, the level air pollution was moderate. But when those are converted into large-scale factory industrial created major impact. The studies say that 6 out 10 people in Coimbatore region inhales polluted outdo WHO data limit. Air quality index can convey how is. Industries...

Journal: :Remote Sensing 2016
Katja Dörnhöfer Anna Göritz Peter Gege Bringfried Pflug Natascha Oppelt

Satellite remote sensing may assist in meeting the needs of lake monitoring. In this study, we aim to evaluate the potential of Sentinel-2 to assess and monitor water constituents and bottom characteristics of lakes at spatio-temporal synoptic scales. In a field campaign at Lake Starnberg, Germany, we collected validation data concurrently to a Sentinel-2A (S2-A) overpass. We compared the resul...

2010
Joeran Maerz Romaric Verney Kai Wirtz Ulrike Feudel

Modeling suspended particulate matter (SPM) dynamics is essential to calculate sediment transport budgets and to provide relevant knowledge for the understanding of biogeochemical cycles in coastal waters. Natural flocs are characterized by their size, shape, structure and density that determine their settling velocity and therefore their vertical as well as horizontal transport. During transpo...

Journal: :Environmental Pollution 2021

Considerable amounts of previously deposited persistent organic pollutants (POPs) are stored in the Arctic cryosphere. Transport freshwater and terrestrial material to Ocean is increasing due ongoing climate change impact this has on POPs marine receiving systems unknown This study investigated how secondary sources from land influence occurrence fate an coastal system. Passive sampling water r...

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