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Marine water areas

Xem 1-11 trên 11 kết quả Marine water areas
  • The author wishes to express his sincere gratitude to the late Professor of Moscow State University, Academician T.S. Khachaturov, his former scientific adviser, whose work played a most important role in the formation of the main concept of the present book. In addition, the author is grateful to Professor David Zilberman of the University of California at Berkeley for ...

    pdf225p namde04 03-05-2013 32 6   Download

  • Research over the past decade has demonstrated the feasibility of extracting topographic information of hydrological interest directly from digital elevation models (DEM). Techniques are available for extracting slope properties, catchment areas, drainage divides, channel networks and other data (Jenson and Domingue, 1988; Mark, 1988; Moore et al., 1991; Martz and Garbrecht, 1992). These techniques are faster and provide more precise and reproducible measurements than traditional manual techniques applied to topographic maps (Tribe, 1991)....

    pdf256p 951628473 07-05-2012 69 23   Download

  • The study conducted by Hiller et al. (2011) to investigate the concentrations, distributions, and hazards of polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs). PCBs are used mainly as coolant and electronic industries (capacitors, transformers), paints, sealants for wood, cutting and lubricating fluids, plasticizers, and as dielectric fluids. Therefore, at the former site of PCB manufacturing area in Slovakia, high concentrations of PCBs are detected in soils, sediments, humans, and wildlife (Kocan et al., 2001; Petrik et al., 2001; Hiller et al., 2011)....

    pdf53p lulanphuong 28-03-2012 67 7   Download

  • The aim of this study is to elucidate the characteristics of marine environmental geochemistry from Ha Tinh - Quang Nam (60-100m water depth) based on analysis of geochemical parameters of seawater and surface sediments. Surface sediments that are high in absorbed capacity of toxic substances mainly accumulated in northern study area.

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  • Located at the interface of the geosphere, biosphere, hydrosphere and atmosphere, land is important for an understanding of both the natural environment process and those affected by human activities.

    pdf394p wikikhtn 02-04-2012 131 53   Download

  • Seventy-five percent of the world’s poor live in rural areas and most are involved in agriculture. In the 21st century, agriculture remains fundamental to economic growth, poverty alleviation, and environmental sustainability. The World Bank’s Agriculture and Rural Development publication series presents recent analyses of issues that affect the role of agriculture, including livestock, fisheries, and forestry, as a source of economic development, rural livelihoods, and environmental services.

    pdf130p lulanphuong 19-03-2012 101 16   Download

  • The system of three-dimensional hydrodynamic-environmental models could simulate full advection and dispersion processes of the dissolved and particulate matter as suspended sediment and all oil phases in the realistic marine conditions. The hydrodynamic model provides temperature, salinity and current structure and water level. These variables will be used in the environmental model simulating the advection and diffusion processes for suspended matter concentration, bottom sediment thickness and all oil spill phases in the water and bottom sediment.

    pdf11p dem_thanh 22-12-2012 43 6   Download

  • Ennore Creek becomes the pollution point in Bay of Bengal which influences the marine resources and productivity of the region. This coastal belt in the neighboring areas of the city is viewed as dumping sites for industrial effluents and disposing domestic waste (Arunagiri et al., 1998). The natural wealth of the creek is now being eroded to mere sewage channel (Jayaprakash, 2003). The Ennore Thermal Power Plant uses the river waters as coolant and lets out the warm water, in the Ennore Creek.

    pdf14p tainhacmienphi 19-02-2013 38 5   Download

  • Encouraged by the friendly acceptance of the first edition and stimulated by numerous requests and comments from the community of meiobenthologists, this second edition updates my monograph on meiobenthology. The revised text emphasizes new discoveries and developments of relevance; it has been extended by adding chapters on meiofauna in areas not covered before, such as the polar regions, mangroves, and hydrothermal vents.

    pdf538p japet75 30-01-2013 28 4   Download

  • To understand what are the main reasons to cause the disease and dead off on the marine shrimp culturing system in Mekong coastal areas, the survey on 14 sites was carried out in five hamlets of Baclieu province. The physical, chemical and plankton factors in the groups of water body such as dead shrimp ponds, stronger shrimp ponds and water supplied systems were sampled.

    pdf0p haivan 16-03-2009 381 38   Download

  • Water contamination weakens or destroys natural ecosystems that support human health, food production, and biodiversity. Studies have estimated that the value of ecosystem services is double the gross national product of the global economy, and the role of freshwater ecosystems in purifying water and assimilating wastes has been valued at US$ 400 billion (2008$) (Costanza et al. 1997). Freshwater ecosystems are among the most degraded on the planet, and have suffered proportionately greater species and habitat losses than terrestrial or marine ecosystems (Revenga et al. 2000).

    pdf196p saimatkhauroi 01-02-2013 35 7   Download

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