Sentences with phrase «terrestrial carbon cycling»

His research focuses on the interactions between terrestrial carbon cycling and climate change.

Sitch, S., et al., 2003: Evaluation of ecosystem dynamics, plant geography and terrestrial carbon cycling in the LPJ dynamic global vegetation model.

The question of whether accelerated carbon sinks on land can turn to accelerated carbon sources is something a lot of terrestrial carbon cycle modellers are interested in, but I couldn't give you an accurate read on the state of the art there, except that some models do show the land sink turning into a land source given sufficient warming.

Interests: Multi-disciplinary research on ocean and terrestrial carbon cycle processes using a variety of geochemical and isotopic techniques.

Dargaville, R.J., et al., 2002: Evaluation of terrestrial carbon cycle models with atmospheric CO2 measurements: Results from transient simulations considering increasing CO2, climate, and land - use effects.

The terrestrial carbon cycle is in the hundreds of millions of tons of CO2 per year.

CO2 record are dominated by tropical deforestation variations, and terrestrial carbon cycle changes (respiration in soils, deciduous plants, droughts etc.).

The question of whether accelerated carbon sinks on land can turn to accelerated carbon sources is something a lot of terrestrial carbon cycle modellers are interested in, but I couldn't give you an accurate read on the state of the art there, except that some models do show the land sink turning into a land source given sufficient warming.

I was trying to state that there are not yet, to my knowledge, 21st century scenario model runs of CGCMs coupled with complete terrestrial carbon cycle models.

Ecol.35, 451 — 463; Prentice, I. C., Harrison, S. P. & Bartlein, P. J. 2011 Global vegetation and terrestrial carbon cycle changes after the last ice age.

Prognostic models of terrestrial carbon cycle and terrestrial ecosystem processes are central for any consideration of the effects of environmental change and analysis of mitigation strategies; moreover, these demands will become even more significant as countries begin to adopt carbon emission targets.

Mystakidis, S., Davin, E. L., Gruber, N. and Seneviratne, S. I. (2016), Constraining future terrestrial carbon cycle projections using observation - based water and carbon flux estimates.

Compared to the existing IPCC models, terrestrial carbon cycle processes could provide an additional net feedback of 400 GtC or more over this century following the RCP8.5 scenario.

Let's look briefly at some of the underlying socio - economic assumptions behind RCP8.5, then we'll examine how the latest research on the terrestrial carbon cycle makes the GHG concentrations in the RCP8.5 model easier to reach.

The decadal state of the terrestrial carbon cycle: Global retrievals of terrestrial carbon allocation, pools, and residence times

Disturbances such as Superstorm Sandy and Hurricane Katrina cause large impacts to the terrestrial carbon cycle, forest tree mortality and CO2 emissions from decomposition, in addition to significant economic impacts.

Evaluation of the terrestrial carbon cycle, future plant geography and climate - carbon cycle feedbacks using five Dynamic Global Vegetation Models (DGVMs)

Soil carbon is a major component of the terrestrial carbon cycle.

Scientists from these agencies will undertake programs in climate modelling, atmosphere radiation measurement, atmospheric science, the terrestrial carbon cycle, the ocean carbon cycle, and ecosystem research program, and finally will produce an integrated assessment, according to Dr. Raymond Orbach, the Energy Department's director of the Office of Science.

«(3) ocean model simulations (e.g., Le Quéré et al., 2003; McKinley et al., 2004a) and (4) terrestrial carbon cycle and coupled model simulations (e.g., C. Jones et al., 2001; McGuire et al., 2001; Peylin et al., 2005; Zeng et al., 2005).»

The rapid growth of large trees means that, relative to their numbers, they could have a disproportionately important role in forest feedbacks to the terrestrial carbon cycle and global climate system.

This increase is predominantly due to the response of the terrestrial carbon cycle to El Niño — induced changes in weather patterns.

Although correlations between the growth rate of atmospheric CO2 concentrations and the El Niño — Southern Oscillation are well known, the magnitude of the correlation and the timing of the responses of oceanic and terrestrial carbon cycle remain poorly constrained in space and time.

The high - density observations from NASA's OCO - 2 mission, coupled with surface ocean CO2 measurements from NOAA buoys, have provided us with a unique data set to track the atmospheric CO2 concentrations and unravel the timing of the response of the ocean and the terrestrial carbon cycle during the 2015 — 2016 El Niño.

Other Berkeley Lab researchers involved in the program leadership include Will Riley, an expert in the terrestrial carbon cycle and co-leader of the Biogeochemical Experiment Task Team.

Allen et al in Nature 30 April 2009, SI, stated explicitly (SI, p. 6) «the terrestrial carbon cycle model has both vegetation and soil components stores.

Not exact matches

Global change research encompasses a wide variety of study areas, including atmospheric sciences, ecology, global carbon cycles, climatology, and terrestrial processes.

«The carbon cycling that happens in freshwater systems needs to be accounted for in estimates of terrestrial production,» Holgerson said.

As a result of this annual cycle, together with the continual emissions from fossil fuel burning (particularly over China, Europe, and the southeast United States), carbon levels reach a maximum in the Northern Hemisphere in April, just before terrestrial plants begin to soak up more carbon.

An article published in the Global Biogeochemical Cycles on 20th of February 2018 estimates that solar radiation mineralizes 45 teragrams of terrestrial dissolved organic carbon in the ocean.

This study highlights the key role of vegetation in controlling future terrestrial hydrologic response and emphasizes that the continental carbon and water cycles are intimately coupled over land and must be studied as an interconnected system.

«(C) the carbon cycle, including impacts related to the thawing of permafrost, the frequency and intensity of wildfire, and terrestrial and ocean carbon sinks;

My research concerns carbon and nutrient cycling in terrestrial ecosystems, particularly (but not exclusively) high - latitude northern ecosystems.

Recent increases in terrestrial carbon uptake at little cost to the water cycle.

At PNNL, her research focuses on the microbial ecology of soils and other terrestrial ecosystems, which includes efforts to understand the carbon cycling processes of microbial communities.

By 2100, the ocean uptake rate of 5 Gt C yr - 1 is balanced by the terrestrial carbon source, and atmospheric CO2 concentrations are 250 p.p.m.v. higher in our fully coupled simulation than in uncoupled carbon models2, resulting in a global - mean warming of 5.5 K, as compared to 4 K without the carbon - cycle feedback.

What the skeptics have really done so far is use simple models to observe the «missing sink,» which other carbon cycle modelers discovered and named years ago (and more or less attributed to NH terrestrial biosphere).

«This graph gives you an idea of what the Anthropocene climate looks like as... without even taking into account the possibility of carbon cycle feedbacks leading to a release of stored terrestrial carbon.»

This slower carbon loop through the terrestrial component of the carbon cycle affects the rate of growth of atmospheric CO2 concentration and, in its shorter term expression, imposes a seasonal cycle on that trend (Chapter 3, Figure 3.2 a).

It combines representations of the global economy, energy systems, agriculture and land use, with representation of terrestrial and ocean carbon cycles, a suite of coupled gas - cycle, climate, and ice - melt models.

We introduce a carbon cycle model that would explain the PETM by global warming following a bolide impact, leading to the oxidation of terrestrial organic carbon stores built up during the late Paleocene.

Earth system and carbon - cycle feedbacks such as the release of carbon from thawing permafrost or vegetation changes affecting terrestrial carbon storage or albedo may further extend and possibly amplify warming (6).

«(C) the carbon cycle, including impacts related to the thawing of permafrost, the frequency and intensity of wildfire, and terrestrial and ocean carbon sinks;

For the thousandth time, there is a CARBON CYCLE (open your ears this time), which means that carbon is cycled through the oceans, terrestrial biosphere and atmosphere and stays in rough balance with what is absorbed and emCARBON CYCLE (open your ears this time), which means that carbon is cycled through the oceans, terrestrial biosphere and atmosphere and stays in rough balance with what is absorbed and emcarbon is cycled through the oceans, terrestrial biosphere and atmosphere and stays in rough balance with what is absorbed and emitted.

The reason for a reduced CO2 rate of rise was probably not due to a reduction in emission rates, but it may have reflected carbon cycle feedbacks that slightly altered the balance between atmospheric CO2 and terrestrial and oceanic sinks.

Carbon cycle - The term used to describe the flow of carbon (in various forms, e.g., as > carbon dioxide) through the atmosphere, ocean, terrestrial biosphere and lithosphere..

When the goals of climate modelling are expanded to include terrestrial biosphere function, such aspects become of central importance as regulators of the interaction between the carbon and water cycles.

Once CO2 has been emitted into the atmosphere, the carbon cycle will redistribute it between the atmosphere, oceans, and terrestrial biosphere, but it will not disappear from those systems for thousands of years.

Cao, M. & Woodward, F. I. Dynamic responses of terrestrial ecosystem carbon cycling to global climate change.

Randerson, J.T., M.V. Thompson, T.J. Conway, I.Y. Fung, and C.B. Field, 1997: The contribution of terrestrial sources and sinks to trends in the seasonal cycle of atmospheric carbon dioxide.