BI 3061 Exam December 2010
... 23. What statement about dissolved organic carbon (DOC) is NOT true? A. DOC is the largest pool of organic carbon in the ocean B. DOC constitutes a carbon reservoir equal in magnitude to atmospheric CO2 C. It is possible to measure changes in the DOC pool on biologically relevant time scales D. DOC ...
... 23. What statement about dissolved organic carbon (DOC) is NOT true? A. DOC is the largest pool of organic carbon in the ocean B. DOC constitutes a carbon reservoir equal in magnitude to atmospheric CO2 C. It is possible to measure changes in the DOC pool on biologically relevant time scales D. DOC ...
Press Release - English ()
... Interested individuals can engage with the mission by guessing the temperature limit of life under the seafloor in the Deep Carbon Observatory’s “How hot is too hot?” contest at https://deepcarbon.net/feature/how-hot-is-too-hot. Limits to life “We know the microbial biomass living under the seafloor ...
... Interested individuals can engage with the mission by guessing the temperature limit of life under the seafloor in the Deep Carbon Observatory’s “How hot is too hot?” contest at https://deepcarbon.net/feature/how-hot-is-too-hot. Limits to life “We know the microbial biomass living under the seafloor ...
Chapter I - Shodhganga
... The grain size of sediment gives an indication of the energy of the environment where the grains were transported and deposited. The smallest grains (clay) sink very slowly through water column, and can remain suspended by slight turbulence in flowing water. They tend to accumulate only under condit ...
... The grain size of sediment gives an indication of the energy of the environment where the grains were transported and deposited. The smallest grains (clay) sink very slowly through water column, and can remain suspended by slight turbulence in flowing water. They tend to accumulate only under condit ...
Porosity, compaction, and fluid pressure in a subduction zone
... mechanical compaction and cementation, where precipitated minerals fill up the pore spaces between sediment grains. These processes occur as sediments are buried beneath other sediments. An environment where burial is extremely rapid is a subduction zone, where sediments on one tectonic plate are ca ...
... mechanical compaction and cementation, where precipitated minerals fill up the pore spaces between sediment grains. These processes occur as sediments are buried beneath other sediments. An environment where burial is extremely rapid is a subduction zone, where sediments on one tectonic plate are ca ...
Atomic Masses: Counting Atoms by Weighing
... know the average atomic mass for that type of atom. This is one of the fundamental operations in chemistry, as we will see in the next section. The average atomic mass for each element is listed on the inside front cover of this book. ...
... know the average atomic mass for that type of atom. This is one of the fundamental operations in chemistry, as we will see in the next section. The average atomic mass for each element is listed on the inside front cover of this book. ...
The relationship between global warming and decomposition rates
... effects of increased warming. The rate at which the Earth is warming is unparalleled compared to historical times (Parmesan & Yohe, 2003). A time series compiled jointly by the Climatic Research Unit and the UK Met Office showed that twelve out of thirteen years between 1995-2007 were the warmest si ...
... effects of increased warming. The rate at which the Earth is warming is unparalleled compared to historical times (Parmesan & Yohe, 2003). A time series compiled jointly by the Climatic Research Unit and the UK Met Office showed that twelve out of thirteen years between 1995-2007 were the warmest si ...
CJK-2011-Report
... and marine ecosystems (from the Taiwan Strait to the East China Sea). Xiping Lian and Jun Hu indicated that spatial and temporal heterogeneity of local planktonic communities and biomass are strongly coupled with the physicochemical properties and local circulation patterns (i.e. episodic river plum ...
... and marine ecosystems (from the Taiwan Strait to the East China Sea). Xiping Lian and Jun Hu indicated that spatial and temporal heterogeneity of local planktonic communities and biomass are strongly coupled with the physicochemical properties and local circulation patterns (i.e. episodic river plum ...
Benthic Ecology and Demersal Resources
... Live in or near marine sedimentary environments, from tidal pools along the foreshore, out to the continental shelf, and down to the abyssal depths Most organisms in the benthic zone are scavengers or detritivores ...
... Live in or near marine sedimentary environments, from tidal pools along the foreshore, out to the continental shelf, and down to the abyssal depths Most organisms in the benthic zone are scavengers or detritivores ...
Sedimentary basins - personal.kent.edu
... –To plot subsidence (burial) history of a well or measured section. •Useful in hydrocarbon exploration –To determine source rock maturation –thermal history of any hydrocarbons ...
... –To plot subsidence (burial) history of a well or measured section. •Useful in hydrocarbon exploration –To determine source rock maturation –thermal history of any hydrocarbons ...
The Carbon Cycle: Implications for Climate Change and Congress June 25, 2007
... In short, the oceans, vegetation, and soils cannot consume carbon released from human activities quickly enough to stop CO2 from accumulating in the atmosphere. Humans tap the huge pool of fossil carbon for energy, and affect the global carbon cycle by transferring fossil carbon — which took million ...
... In short, the oceans, vegetation, and soils cannot consume carbon released from human activities quickly enough to stop CO2 from accumulating in the atmosphere. Humans tap the huge pool of fossil carbon for energy, and affect the global carbon cycle by transferring fossil carbon — which took million ...
The effects of interaction of biotic and abiotic factors
... Climate changes affect significantly the Arctic regions, with air and soil temperatures increases, snow cover decrease and glacier retreat (IPCC 2013). The Arctic ecosystems play a key role in the global carbon (C) cycle (McGuire et al. 2009; Lafleur et al. 2012) since northern soils account for app ...
... Climate changes affect significantly the Arctic regions, with air and soil temperatures increases, snow cover decrease and glacier retreat (IPCC 2013). The Arctic ecosystems play a key role in the global carbon (C) cycle (McGuire et al. 2009; Lafleur et al. 2012) since northern soils account for app ...
Faculty of Geography and Geoecology, Saint-Petersburg
... Phytoplankton of the Amur River estuary and adjacent areas of the Sea of Okhotsk and the Sea of Japan was investigated in July, 2005 at 33 stations. The study revealed 195 species of microalgae from 8 divisions. Microalgae varied most in Sakhalin Bay - 122 species - and less in Tartar Strait - 98 sp ...
... Phytoplankton of the Amur River estuary and adjacent areas of the Sea of Okhotsk and the Sea of Japan was investigated in July, 2005 at 33 stations. The study revealed 195 species of microalgae from 8 divisions. Microalgae varied most in Sakhalin Bay - 122 species - and less in Tartar Strait - 98 sp ...
Interactive comment on “From heterotrophy to autotrophy: a
... P/R (e.g., in the Schelde (Gazeau et al. 2005b)). This will mislead a reader (that misses the information that the present paper uses the definition of Garnier and Billen (2007)) and assumes that autotrophy and heterotrophy refer to the widely accepted definition of P/R = GPP/(autotrophic R + hetero ...
... P/R (e.g., in the Schelde (Gazeau et al. 2005b)). This will mislead a reader (that misses the information that the present paper uses the definition of Garnier and Billen (2007)) and assumes that autotrophy and heterotrophy refer to the widely accepted definition of P/R = GPP/(autotrophic R + hetero ...
Oceanic
... Habitats Directive 79/409/EEC – Sandbanks which are slightly covered by seawater at all times (habitat 1110) “Sublitoral sandbanks, permanently submerged. Water depth is seldom more than 20m below Chart datum. Non-vegetated sandbanks or sandbanks with vegetation belonging to the Zostera marina and C ...
... Habitats Directive 79/409/EEC – Sandbanks which are slightly covered by seawater at all times (habitat 1110) “Sublitoral sandbanks, permanently submerged. Water depth is seldom more than 20m below Chart datum. Non-vegetated sandbanks or sandbanks with vegetation belonging to the Zostera marina and C ...
turbulence @ ocean observatories - Center for Coastal Physical
... Turbulence and observatories Vertical turbulent transports of momentum, mass, chemical species and particles play major, often dominant, roles in a range of processes spanning all the sub-disciplines of oceanography – processes as fundamental and diverse as sediment resuspension, biological primary ...
... Turbulence and observatories Vertical turbulent transports of momentum, mass, chemical species and particles play major, often dominant, roles in a range of processes spanning all the sub-disciplines of oceanography – processes as fundamental and diverse as sediment resuspension, biological primary ...
Hydrothermal Vents
... - endosymbiotic relationship between vent bacteria and an invertebrate (e.g., tube worm) - ‘microbial gardening’: bacteria grow on specialised appendages of mussels and other invertebrates, e.g., tentacles and gills, invertebrates consume bacteria, retain a small number of bacteria - direct consumpt ...
... - endosymbiotic relationship between vent bacteria and an invertebrate (e.g., tube worm) - ‘microbial gardening’: bacteria grow on specialised appendages of mussels and other invertebrates, e.g., tentacles and gills, invertebrates consume bacteria, retain a small number of bacteria - direct consumpt ...
Mission 1
... • Habitat – a place where an organism can find what it needs to survive, in terms of both biotic and abiotic factors. ...
... • Habitat – a place where an organism can find what it needs to survive, in terms of both biotic and abiotic factors. ...
Resilient Planet
... • Habitat – a place where an organism can find what it needs to survive, in terms of both biotic and abiotic factors. ...
... • Habitat – a place where an organism can find what it needs to survive, in terms of both biotic and abiotic factors. ...
More Lessons from the Sky - Satellite Educators Association
... their bodies. Respiration, excretion, and decomposition release the carbon back into the atmosphere or soil continuing the cycle. The ocean plays a critical role in the storage of carbon, as it holds about 50 times more carbon than the atmosphere. Two-way carbon exchange can occur quickly between th ...
... their bodies. Respiration, excretion, and decomposition release the carbon back into the atmosphere or soil continuing the cycle. The ocean plays a critical role in the storage of carbon, as it holds about 50 times more carbon than the atmosphere. Two-way carbon exchange can occur quickly between th ...
Bromine counts from XRF scanning as an estimate of the
... low salinity of the terrestrial environment. Therefore, the similar surface water salinities of the Eastern Mediterranean and Arabian Sea could explain the common gradient. By extension, the drop in Mediterranean surface water salinity [Van der Meer et al., 2007] during the onset of sapropel formati ...
... low salinity of the terrestrial environment. Therefore, the similar surface water salinities of the Eastern Mediterranean and Arabian Sea could explain the common gradient. By extension, the drop in Mediterranean surface water salinity [Van der Meer et al., 2007] during the onset of sapropel formati ...
Carbon-rich oceans - Sea Surface Consortium
... Earth System Science and coordinator of the consortium carrying out this research. Microbial processes in the oceans continually release climate-active gases such as dimethyl sulphide (DMS) and nitrous oxide (N2O). Previous studies have indicated that more of these gases are released at high CO2 lev ...
... Earth System Science and coordinator of the consortium carrying out this research. Microbial processes in the oceans continually release climate-active gases such as dimethyl sulphide (DMS) and nitrous oxide (N2O). Previous studies have indicated that more of these gases are released at high CO2 lev ...
Life in a Changing Ocean - Census of Marine Life Secretariat
... Understanding and Predicting Change The collective impacts of diverse human activities simultaneously threaten many ocean regions. Recent research suggests that human pressures have a greater impact when they act in concert, rather than individually. Predicting when and where change might occur and ...
... Understanding and Predicting Change The collective impacts of diverse human activities simultaneously threaten many ocean regions. Recent research suggests that human pressures have a greater impact when they act in concert, rather than individually. Predicting when and where change might occur and ...
Quantity and bioavailability of sediment organic matter as signatures
... of algal carbon. Biopolymeric carbon concentrations were also positively correlated to the sediment community oxygen consumption, suggesting that the progressive accumulation of biopolymeric carbon could be an additional co-factor potentially responsible for hypoxic or anoxic events. The enzymatical ...
... of algal carbon. Biopolymeric carbon concentrations were also positively correlated to the sediment community oxygen consumption, suggesting that the progressive accumulation of biopolymeric carbon could be an additional co-factor potentially responsible for hypoxic or anoxic events. The enzymatical ...