Sentences with word «biogeochemical»

Human use of biomass for food, feed, fiber, fuel, and materials has become a primary component of global biogeochemical cycles of carbon, nitrogen, phosphorous, and other nutrients.

But some of Florida's reefs appear to be getting a head start, according to research published in Global Biogeochemical Cycles on Monday.

«The obtained results expand our knowledge of biogeochemical processes of possible life beyond earth, and provide specific indications for detection of biosignatures on extraterrestrial material — a step further to prove potential extra-terrestrial life,» says Tetyana Milojevic.

2018 Plenary Sessions: Phytoplankton physiological engines of biogeochemical models (Chairs: Andrew Barton, SIO; Philip Boyd, UTas; Scott Doney, UVA; Charles Stock, NOAA) Polar -LSB-...]

This thesis reports on the potential influence of OA on element pool partitioning and particulate organic matter stoichiometry with consequences for biogeochemical cycling of elements in the ocean.

Such applications will thus provide crucial information for understanding the fate of immobilized soil organic matter and its impacts on biogeochemical cycles in this rapidly changing Arctic environment.

Since the planetary boundary for biogeochemical flows is represented by two separate indicators (nitrogen and phosphorus), seven biophysical indicators are considered in total (Table 1).

The numerical model used in this study calculated sulfate reduction, methane production, and a broad array of other biogeochemical cycles in the ocean for the billion years between 1.8 billion and 800 million years ago.

In a recent DCESS model application (25), IF needed to be increased to 0.50 to emulate the initial LGM pCO2 drawdown in a complex ocean biogeochemical model forced by observed LGM dust deposition.

We note that we focus only on biogeophysical impacts, whereas biogeochemical impacts of CO2 associated with forest dieback could have distinct, large climatic effects [41].

surface modification due to deforestation, urbanization, and agricultural practices and surface biogeochemical effects.

In the ocean, this carbon uptake leads to acidification, a key aspect of global biogeochemical change.

Through the Anthropocene lens, the daily workings of the energy grid, transportation, industry and commerce inexorably deteriorate global biogeochemical systems like the carbon, phosphorous and water cycles.

Through these vertical movements, mesopelagic fish play a key role in the cycling of carbon and nutrients from the surface to the deep sea — a process known as biogeochemical cycling.

Funding: U.S. Department of Energy Office of Biological and Environmental Research through a Subsurface Biogeochemical Research Program Science Focus Area program at PNNL.

Rapid changes in subsurface biogeochemical processes measured in a New England salt marsh coincided with temporal variations in the physiology of Spartina alterniflora (Hines et al. 1989).

Newly developed assessment tools will also be used to improve parameterisations of calcium carbonate production in global biogeochemical climate models (5.2).

The Argo Data Management Team has developed a parallel file structure for the core temperature, salinity, and pressure data and for associated biogeochemical data.

They also explicitly simulate the interactions among several components of the climate system including biogeochemical cycles.

Ancient warming events allow us to evaluate the impacts of global warming on the Earth system, including both hydrological and associated biogeochemical feedbacks.

Biomass burning is a major global influence, affecting biogeochemical cycles, atmospheric chemistry and the carbon cycle.

Biogeochemical forcing involves changes in vegetation biomass and soils.

Citation: Cook, T. (2016), Uncertainty evaluations improve biogeochemical simulations, Eos, 97, doi: 10.1029 / 2016EO047765.

Burrows is a climate modeler whose research explores chemical modeling of marine biogeochemical influence on submicron sea spray particles.

This evidence calls for a dedicated global observational approach for oxygen and other biogeochemical parameters which goes significantly beyond the classical hydrographic surveys performed by research vessels.

Although models of improved resolution for ocean circulation are being developed, they do not yet incorporate biogeochemical properties.

Together with the CCS observations discussed above, the contrast with the NPSG coral data (while not directly comparable in terms of time scale), suggests that despite the fact that baseline δ15N declines are observed in both data sets, different biogeochemical mechanisms may underlie the changes in these very different oceanographic regions.

The lab results are now being integrated into biogeochemical models, which calculate the productivity of the ocean of the future and the limits of carbon storage.

Global Carbon Cycle Recent efforts have begun to extend Global Climate Models (GCMs) towards Earth System Models (ESMs), where the physical - dynamical GCM also includes key biogeochemical cycles important in determining the Earth's response to increasing Greenhouse Gas (GHG) emissions.

«The resulting six-fold increase in oxygen would have significantly influenced biogeochemical cycling of [oxidation] sensitive elements such as [iron] and [sulfur] and ultimately increased the oxygen concentration of the atmosphere,» the team writes in a paper published online today by the journal Science.

«Conundrum of missing iron in oxygen minimum zones solved: important biogeochemical process in the ocean discovered.»

Concentrations in the groundwater were typically at least one order of magnitude lower than the concentrations in the treatment plant effluent, suggesting that the soil generally acted as an effective biogeochemical filter, except during snowmelt events.

The researchers say that this new understanding of the gold biogeochemical process and transformation may also help verify the authenticity of archaeological gold artefacts and distinguish them from fraudulent copies.

Lindenthal, Langmann, Patsch, Lorkowski Hort (2013) «The ocean response to volcanic iron fertilisation after the eruption of Kasatochi volcano: a regional - scale biogeochemical ocean modelstudy.

«Future Changes in Climate, Ocean Circulation, Ecosystems, and Biogeochemical Cycling Simulated for a Business - as - Usual CO2 Emission Scenario until Year 4000 AD.»

Annual meetings of the Argo Data Management Team and members of the regional biogeochemical float programs are optimizing this new data management and distribution system.

In the eastern Pacific Ocean, the structure of the pycnocline varies strongly among the known biogeochemical provinces [51].

«In the natural environment, primary gold makes its way into soils, sediments and waterways through biogeochemical weathering and eventually ends up in the ocean.

Trees and other living organisms are key players in the global carbon cycle, a complex biogeochemical process in which carbon is exchanged among the atmosphere, the ocean, the biosphere and Earth's crust.

Extending this approach to other shelf - sea models would help quantify the uncertainty in more biogeochemical simulations, a step that would ultimately improve the models» ability to inform better management of sea - shelf ecosystems, the source of more than 90 % of the world's fishing catches.