baf and bioconcentration factor bcf in the terrestrial environment

... course there, by burying the oil under eight inches of sand, or depositing it in the intertidal “trough”, neither of which seems desirable environmentally The adequacy of the response in terms ... damaging in the short term” [p 411].) The wreck of the Exxon Valdez in southeastern Alaska waters in March 1989 coincided with the spawning of Pacific herring Clupea pallasi in that area, providing ... was in the uncertain hands of an alcoholic captain on a dark and stormy night in March 1989 The ship was outward bound in the hazardous seaward passage through Prince William Sound in southeastern...

Ngày tải lên: 12/08/2014, 04:22

... band pair (i,j) that obtain from atmospheric correction in 128 sand points - a, b : are slope and intercept in regression line, they appear strong (or not) relationship between band i and band ... climate change due to the increasing of sea water temperature, the decreasing the water salinity, the increasing the acidification processes,… By assessment the temporal and spatial variances ... province (303 ha), the coastal waters of Khanh Hoa province (3266 ha) , the coastal waters of Ninh Thuan province (1000 ha) In southern side and in Thailand Gulf (only in Vietnamese territory), include...

Ngày tải lên: 26/03/2014, 14:07

... 14 1.6 Thesis outline In this thesis, the mechanisms of the formation of dunes and sand waves are explored by using a linear instability analysis approach The effects of wind waves on sand wave ... we obtain the critical drag velocity by analyzing immobile sediment grains in their critical stage If the sediment grain starts to move, either rolling or 16 sliding on the sloping bed, the situation ... models The evolution of the bed disturbance can then be examined and the bed instability status can then be determined It is known that the flow in nature, such as in alluvial rivers and coastal...

Ngày tải lên: 11/09/2015, 09:11

... particularly concern Singapore, a 690-km2 island, off the southern tip of the Malay Peninsula The coastal waters of Singapore comprise of the Johor Strait in the north and the Singapore Strait that ... such as land reclamation and portal infrastructure construction The continuous economic development of the island has led and is leading to an inevitable and increasing degradation of the coastal ... reviews the recent development in ocean and coastal modelling, and in plume dispersion modelling Chapter introduces the basic hydrodynamic equations, and the features of the numerical model The validation...

Ngày tải lên: 27/11/2015, 11:12

... however,that thereare currentsflowing betweenthe islandsof the northernKurilskie Ostrovainto the Okhotsk Seaand thoseflowing betweenislands of the centraland southernKurilski Ostrovainto the Pacific ... semicircle; and (3) the waves in the rear semicircle and the rolling swell in the fore semicircle overlap in the rear semicircle, so that they are intensified The height and periodic distribution of the ... make themselvesfamiliar with them to ensuresafenavigationin thesewaters FishingGearandFishingMethods O Trawlnetfisheries Wing Float Float line Trawlinsline Fyke Trawling line lr I Sinker line Sinker...

Ngày tải lên: 03/05/2016, 21:08

... etc Of these surveys, the coral reef mapping has a major impact of the civil engineering design A detailed investigation on the living status of the coral reef and their distribution and species ... related issues confronting the coastal zone including engineering, environmental, socio-economic problems in a single project in a holistic manner The Project employed soft engineering approach wherever ... contractor and the client had yielded a satisfactory outcome of the project The Project standing of the coastal processes and sound engineering judgement The successful rehabilitation of the Teluk...

Ngày tải lên: 25/04/2013, 08:20

... was contained in lesser amounts in the roots and rhizomes than in the leaves and stems The content of 18:2n6c, 18:3n3 and LCFAs in the leaves and stems was compared with that in the roots and rhizomes ... stems, and -11.6 ± 1.5‰ in the roots and rhizomes Meanwhile, Z marina in the leaves and stems has -9.7 ± 1.0‰, and in the roots and rhizomes has -9.6 ± 1.0‰ Fig shows that the leaves and stems ... LCFAs other Fig.3 Dominant fatty acid content in the leaves Fig - Dominant fatty acid content in the Fig.4 Dominant fatty acid content in the roots the Fig - Dominant fatty acid content in and stems...

Ngày tải lên: 05/09/2013, 10:17

... occurring between May and November The cities Ho Chi Minh in the south and Ha Noi in the north represent major economic centres within the coastal zone Different from the north and the south, rainy ... than in 2003) and (3) the dangers of natural hazards Meteorological and Hydrologic Settings Vietnam is located in the Indo-Chinese Peninsula and covers tropical monsoon climatic zone In the north, ... 2) In a study of the Mekong River and the adjacent deltaic, estuarine, and coastal environment, An and Son (1998) could show differences in the elemental cycling between the river, front and...

Ngày tải lên: 27/10/2013, 14:15

... settings in Mac OS, choose Edit Menu Ͼ Color Settings and in Windows choose Photoshop Menu Ͼ Color Settings to bring up the color Settings Dialog Box in Photoshop The dialogue box is the single ... dot gain setting The Dot Gain settings, choices of either 10%, 15%, 20% or 30%, depend on your printing conditions The dot gain settings darken the on-screen image, effectively anticipating the ... all factors in creating neutral values in producing a black and white prints with desktop 18 Color Management for Black and White printers (See Phase “Print Profiling and Printer Settings”, page...

Ngày tải lên: 19/01/2014, 22:20

... eyes in a color image, and the same in black and white can become mesmerizing xix Seeing in Black and White Look for silhouettes A striking outline of a backlit object always appears interesting, ... destined for the printed page, or both the printed page and the web ProPhoto RGB is the largest working space and contains even more colors than Adobe RGB This space is competing for a position in ... imagery and just plain uninteresting shots Whether you see in black and white before or after the shot, you will soon find that some shots just lend themselves to the bold, classic tones of the masters...

Ngày tải lên: 19/01/2014, 22:20

... profits of the project during the life of the project and the initial investment The yearly average profit of the project during its life is the arithmetic average of the profits from the beginning ... results of Vietinbank In the recent years, the world economy is becoming more and more unstable, particularly when the banking and financial crisis in the U.S spread to other countries in the world ... its principals, interests, and any agreed fee when they due According to the bank’s announcement, the investor will repay the principals, interests, and fee Parties must discuss and timely find...

Ngày tải lên: 07/03/2014, 15:45

... achieved in recent years in the study of kinetics of the dissolution of oxide and carbonate minerals and the weathering of minerals Finally, we demonstrate in discussions on weathering rates in the ... kinetics 21 IIlflow rate to the CSTR model lake is increased, while keeping the concentraI ions of pollutants A and C in the inflow constant As the inflow is increased, the Icsidence time in the ... leaving ligands, and entering ligands may respond very differently to changes in the nature of the central metal ion, resulting in changes in ligand replacement rate This point is illustrated in...

Ngày tải lên: 16/03/2014, 11:44

... settings in Mac OS, choose Edit Menu Ͼ Color Settings and in Windows choose Photoshop Menu Ͼ Color Settings to bring up the color Settings Dialog Box in Photoshop The dialogue box is the single ... dot gain setting The Dot Gain settings, choices of either 10%, 15%, 20% or 30%, depend on your printing conditions The dot gain settings darken the on-screen image, effectively anticipating the ... system is the softproof, tweak and repeat system we apply in order to resolve the remaining differences in color and output consistency The process of softproofing and tweaking is the final phase...

Ngày tải lên: 24/04/2014, 08:53

... interests are in understanding and predicting the transport and fate of sediments and contaminants in surface and ground waters and the effects of these processes on water quality This work involves ... modeling of flocculation, the deposition of particles and flocs, and the consolidation of sediments In the modeling of sediment and contaminant transport in surface waters, an understanding of and ... Because the dam was deteriorating and was in poor condition, the Niagara Mohawk Power Corporation removed the dam in 1973 During subsequent spring floods and other high flow periods, the PCB-contaminated...

Ngày tải lên: 18/06/2014, 22:20

... (especially the clay minerals) tend to aggregate together; this occurs in the overlying water, where the particles form flocs, and in the bottom sediments, where they initially form a relatively open and ... cm, the lowest resolution obtainable in the Density Profiler The Density Profiler measures the actual density of the sediments, including solids, water, and any gas present In contrast, the standard ... in the sediments From their definitions, * = msw/Vsw and = msw/(Vsw + Vg), where msw is the mass of the solids and water, Vsw is the volume of the solids and water, and Vg is the volume of the...

Ngày tải lên: 18/06/2014, 22:20

... core and its contents then are retrieved and inserted into the Shaker frame The thickness of the sediment in the coring tube is usually about cm The depth of the water is maintained at 7.6 cm The ... of divers who inserted the coring tubes in the bottom sediments and then retracted them with the sediments retained in the tubes In Lake Michigan, a series of cores was obtained in water depths ... by the lowering of the three dams in 1987 and the subsequent modification and increase in the flow velocities In this river, as shown above in Figures 3.9(c), (d), and (e), as well as in the...

Ngày tải lên: 18/06/2014, 22:20

... theory by Verwey and Overbeek (1948) and Darjagin and Landau has been developed that includes these forces and assists in understanding the cohesion of colliding particles This theory is only briefly ... cylinders, with the outer cylinder rotating and the inner cylinder stationary In this way, a reasonably uniform velocity gradient can be generated in the fluid in the annular gap between the ... on the concrete floor and kept separate from each other A pipette was used to introduce the sample from the flocculator into the settling tube The flocs then settled in the tube After a short initial...

Ngày tải lên: 18/06/2014, 22:20

... time-dependent shift in the orientation of the thermocline so that the depth of the thermocline tends to increase in the downwind direction; that is, the hypolimnion waters are shifted in the upwind direction ... seen in the Eastern Basin, where the fetches are greater than in the other basins The bottom orbital velocities increase eastward in the relatively flat Central Basin; in the Eastern Basin, they ... of wind speed, fetch length, and mean water depth The fetch length was defined as the distance in the direction of the wind between the shoreline and the grid point The mean depth was obtained...

Ngày tải lên: 18/06/2014, 22:20

... wind (the dominant wind throughout the year), a northeast wind (the dominant direction during large storms), a southeast wind, and a northwest wind For each calculation, it was assumed that the ... river and the sediments appearing at the mouth are primarily due to inflow at the dam and the East River As the flow increases to 150 m3/s, erosion begins to occur in the narrow upstream and the downstream ... biphenyls) contained in the bottom sediments To determine the erosion and transport of these PCBs, sediment transport and the resulting bathymetric changes in the part of the lower Saginaw that extends...

Ngày tải lên: 18/06/2014, 22:20

... desorbed with time, indicating that the adsorption and desorption processes are reversible The desorption rate is greatest at the beginning and then decreases as the HCB is desorbed and its concentration ... between the particle and the surrounding water, and (2) changes in particle and floc size and density distributions are not included For sediments consisting of single-size particles, the time-dependent ... here The most significant of these factors are colloids from the sediments, colloids from the water, and the organic content of the sediments (Lick and Rapaka, 1996) The dynamics of sorption, including...

Ngày tải lên: 18/06/2014, 22:20