Changes in Marine Prokaryote Composition with Season and Depth
... processes, and hence had a density ρθ > 27.7 kg m−3 and S <34.92 (or 34.9 when cooler than 2◦ C). These are also the physical characteristics for ArW in the central Arctic Ocean. Cold surface water (SW; ρθ > 27.7 kg m−3 and S < 34.92) was encountered at stations within the marginal ice zone, created ...
... processes, and hence had a density ρθ > 27.7 kg m−3 and S <34.92 (or 34.9 when cooler than 2◦ C). These are also the physical characteristics for ArW in the central Arctic Ocean. Cold surface water (SW; ρθ > 27.7 kg m−3 and S < 34.92) was encountered at stations within the marginal ice zone, created ...
University of Groningen von Liebig`s Law of the Minimum and
... grazers, is conceivable, in which viruses may play a role (BRATBAK,EC~Eand HELDAL,1993). For the sake of the argument changes resulting from physical transport (advection, mixing) are here neglected. In general, however, it is the variations in the rates of production and loss that determine the sta ...
... grazers, is conceivable, in which viruses may play a role (BRATBAK,EC~Eand HELDAL,1993). For the sake of the argument changes resulting from physical transport (advection, mixing) are here neglected. In general, however, it is the variations in the rates of production and loss that determine the sta ...
A proposed biogeography of the deep ocean floor
... Olu (1998) and Levin (2005). Here we review existing classifications and data for the lower bathyal and abyssal zones. We have adopted the concept that changes in key ecological (chemical, physical, environmental) parameters, as well as water-mass connectivity, drive the turnover and distribution of ...
... Olu (1998) and Levin (2005). Here we review existing classifications and data for the lower bathyal and abyssal zones. We have adopted the concept that changes in key ecological (chemical, physical, environmental) parameters, as well as water-mass connectivity, drive the turnover and distribution of ...
Essential Question: How does the position of the Earth and
... are in a straight line. They are the highest tides. ...
... are in a straight line. They are the highest tides. ...
Controls on Sr/Ca in benthic foraminifera and implications for
... C. wuellerstorfi from the Atlantic and Pacific show similar Mg/Ca at a given deep water D[CO2 3 ] (Fig. S8). The inter-ocean differences in benthic Sr/Ca- deep water D[CO2 3 ] may imply secondary factors affecting benthic Sr/Ca, and more data are required to understand reasons causing such differenc ...
... C. wuellerstorfi from the Atlantic and Pacific show similar Mg/Ca at a given deep water D[CO2 3 ] (Fig. S8). The inter-ocean differences in benthic Sr/Ca- deep water D[CO2 3 ] may imply secondary factors affecting benthic Sr/Ca, and more data are required to understand reasons causing such differenc ...
Issues in International Conservation
... showed sea surface temperatures more than 0.9° C above normal in the warmest month (Figs. la-d, yellow and orange areas on the maps). Coral bleaching events are represented by points on the map; these reports are, for the most part, unpublished. Hence, reference to researchers (Appendix) throughout ...
... showed sea surface temperatures more than 0.9° C above normal in the warmest month (Figs. la-d, yellow and orange areas on the maps). Coral bleaching events are represented by points on the map; these reports are, for the most part, unpublished. Hence, reference to researchers (Appendix) throughout ...
Armbrust.indd MH
... that serves as food for life in the sea. They exist in a dilute world where compounds essential for growth are recycled and shared, and they greatly influence global climate, atmospheric carbon dioxide concentration and marine ecosystem function. How these essential organisms will respond to the rap ...
... that serves as food for life in the sea. They exist in a dilute world where compounds essential for growth are recycled and shared, and they greatly influence global climate, atmospheric carbon dioxide concentration and marine ecosystem function. How these essential organisms will respond to the rap ...
Marine Microbiology at Scripps - University of California San Diego
... 1961). They showed cells maintain a periodicity in photosynthetic rate under continuous illumination when preceded by several day-night cycles of illumination. With Haxo as their advisor, David J. Chapman, Laurel A. Loeblich, Barbara B. Prezelin and Nancy W. Withers performed research on the pigment ...
... 1961). They showed cells maintain a periodicity in photosynthetic rate under continuous illumination when preceded by several day-night cycles of illumination. With Haxo as their advisor, David J. Chapman, Laurel A. Loeblich, Barbara B. Prezelin and Nancy W. Withers performed research on the pigment ...
Plastic Debris in the Ocean
... The key to reducing inputs of plastic debris is at the source Every effort should be made to prevent more plastic debris entering the ocean. However, production trends, use patterns and changing demographics are expected to result in ever greater amounts of plastic debris – including microplastics. ...
... The key to reducing inputs of plastic debris is at the source Every effort should be made to prevent more plastic debris entering the ocean. However, production trends, use patterns and changing demographics are expected to result in ever greater amounts of plastic debris – including microplastics. ...
Incorporating estuaries as a source or sink of sediment within
... the Holocene; accordingly, mature estuaries have strongly positive sediment budgets, while immature estuaries have weakly positive sediment budgets. Should these antecedent conditions continue in the future, mature estuaries may continue to infill at rates that approach equilibrium with the rate of ...
... the Holocene; accordingly, mature estuaries have strongly positive sediment budgets, while immature estuaries have weakly positive sediment budgets. Should these antecedent conditions continue in the future, mature estuaries may continue to infill at rates that approach equilibrium with the rate of ...
Geoscientific Investigations of the Southern Mariana
... Jan. 23, 1960: the Trieste reached the bottom of the Challenger Deep after a 5-h descent. The bathyscaphe remained on the bottom for 20 min before ascending back to the surface. Don Walsh recounted: “As we landed, a cloud of sediment was stirred. This happened with all of our dives and usually afte ...
... Jan. 23, 1960: the Trieste reached the bottom of the Challenger Deep after a 5-h descent. The bathyscaphe remained on the bottom for 20 min before ascending back to the surface. Don Walsh recounted: “As we landed, a cloud of sediment was stirred. This happened with all of our dives and usually afte ...
17 PC Review Exam 2
... b. It serves as a negative feedback because any bedrock sinking will cause ice sheets to exist at lower, warmer elevations, causing ice sheets to shrink. c. It serves as a positive feedback because the delay in bedrock sinking means ice sheets stay at higher, colder elevations where they can grow fa ...
... b. It serves as a negative feedback because any bedrock sinking will cause ice sheets to exist at lower, warmer elevations, causing ice sheets to shrink. c. It serves as a positive feedback because the delay in bedrock sinking means ice sheets stay at higher, colder elevations where they can grow fa ...
Valuing South Africa`s ocean economy
... At present an estimated 30% of the CO₂ released into the atmosphere from human activity dissolves into the oceans (Feely et al. 2004). About 20-25 million tonnes of CO₂ are being added to the oceans each day (UNESCO 2004), disrupting the balance of the global carbon cycle. This CO₂ absorption is inc ...
... At present an estimated 30% of the CO₂ released into the atmosphere from human activity dissolves into the oceans (Feely et al. 2004). About 20-25 million tonnes of CO₂ are being added to the oceans each day (UNESCO 2004), disrupting the balance of the global carbon cycle. This CO₂ absorption is inc ...
Chemistry of Sea water
... cannot be applied to sea water without adequate checks on their accuracy. This is particularly true when dealing with elements present in extremely low concentrations, because the elements occurring as impurities in the reagents may be in amounts many times those found in the water. Constancyof Comp ...
... cannot be applied to sea water without adequate checks on their accuracy. This is particularly true when dealing with elements present in extremely low concentrations, because the elements occurring as impurities in the reagents may be in amounts many times those found in the water. Constancyof Comp ...
DENSITY
... Airplane Weight Distribution is used to know how much weight they need and how much space they should allot for certain kind of weight. Plumbing Systems use density-Fluid flowing through a pipe is an important real-world application of density governed by a relation known as Bernoulli's equation. Al ...
... Airplane Weight Distribution is used to know how much weight they need and how much space they should allot for certain kind of weight. Plumbing Systems use density-Fluid flowing through a pipe is an important real-world application of density governed by a relation known as Bernoulli's equation. Al ...
North Atlantic warming: patterns of long
... and the Americas. This study assesses the relative contribution of the long-term trend and variability of North Atlantic warming using EOF analysis of deep-ocean and near-surface observations. Our analysis demonstrates that the recent warming over the North Atlantic is linked to both long-term (incl ...
... and the Americas. This study assesses the relative contribution of the long-term trend and variability of North Atlantic warming using EOF analysis of deep-ocean and near-surface observations. Our analysis demonstrates that the recent warming over the North Atlantic is linked to both long-term (incl ...
Winter et al 1997b
... and Owen, 1989; German et al., 1990) and carbonate sediments have very low REE contents (e.g., Palmer, 1985; Shaw and Wasserburg, 1985; Sholkovitz and Shen, 1995), both are insignificant sources of Nd to seawater. The source of the continental input (i.e., via river water or particulate matter) is t ...
... and Owen, 1989; German et al., 1990) and carbonate sediments have very low REE contents (e.g., Palmer, 1985; Shaw and Wasserburg, 1985; Sholkovitz and Shen, 1995), both are insignificant sources of Nd to seawater. The source of the continental input (i.e., via river water or particulate matter) is t ...
Reduced early life growth and survival in a fish in
... oceans is causing mankind’s ‘other CO2 problem’, ocean acidification1 . Although this process will challenge marine organisms that synthesize calcareous exoskeletons or shells2–6 , it is unclear how it will affect internally calcifying organisms, such as marine fish7 . Adult fish tolerate short-term ...
... oceans is causing mankind’s ‘other CO2 problem’, ocean acidification1 . Although this process will challenge marine organisms that synthesize calcareous exoskeletons or shells2–6 , it is unclear how it will affect internally calcifying organisms, such as marine fish7 . Adult fish tolerate short-term ...
A Review of the Major Marine Environmental Concerns Off the
... decades are known by the terms "greenhouse effect" and "ozone hole." The greenhouse effect could shift Canada's temperate flora and fauna, including Canada's productive East Coast fisheries, further north where the continental shelf space is more restricted and cause inundation and erosion of low-ly ...
... decades are known by the terms "greenhouse effect" and "ozone hole." The greenhouse effect could shift Canada's temperate flora and fauna, including Canada's productive East Coast fisheries, further north where the continental shelf space is more restricted and cause inundation and erosion of low-ly ...
Changes in life-history traits in relation to climate change: bluefish
... The Catalan coast, located in the NW Mediterranean Sea, is characterized by a quite narrow continental shelf, which only widens clearly in the southernmost area around the Ebro River Delta and in the north between the main submarine canyons. The general surface circulation in the NW Mediterranean re ...
... The Catalan coast, located in the NW Mediterranean Sea, is characterized by a quite narrow continental shelf, which only widens clearly in the southernmost area around the Ebro River Delta and in the north between the main submarine canyons. The general surface circulation in the NW Mediterranean re ...
Effects of global warming on oceans
Global warming can affect sea levels, coastlines, ocean acidification, ocean currents, seawater, sea surface temperatures, tides, the sea floor, weather, and trigger several changes in ocean bio-geochemistry; all of these affect the functioning of a society.