Sentences with phrase «for global carbon cycling»

Our findings have significance for global carbon cycling, oceanic carbon sequestration, and the cellular biology of coccolithophores.
The consequences of these microbial interactions are critically important for the global carbon cycle, and for us.»
This has major implications for the global carbon cycle,» Gregg said.

Not exact matches

The study also has implications for understanding the global carbon cycle that involves the transport of surface carbon back into the Earth's mantle.
To explain this apparent paradox, the researchers called upon a theory for how the global carbon cycle, atmospheric carbon dioxide and Earth's temperature are linked on geologic timescales.
«It's a mechanism for the rivers» role in the global carbon cycle — it's the food for the river breath.»
By reconstructing past global warming and the carbon cycle on Earth 56 million years ago, researchers from the Niels Bohr Institute among others have used computer modelling to estimate the potential perspective for future global warming, which could be even warmer than previously thought.
According to the research team, this suggests that the continental shelves are becoming a crucial element in the global carbon cycle and for the climate system.
Similar to the humans who find themselves sluggish during a heat wave, when water is scarce, Douglas firs also put the brakes on growing — a choice that could have ramifications for forest carbon stocks and the global carbon cycle.
Bauer also noted that for the first time, the Intergovernmental Panel on Climate Change (IPCC) is expected to acknowledge the importance of coastal waters to the global carbon cycle in its next report, due out in early 2014.
Unicellular photosynthetic microbes — phytoplankton — are responsible for virtually all oceanic primary production, which fuels marine food webs and plays a fundamental role in the global carbon cycle.
In a paper published in Science Advances, he proposes that mass extinction occurs if one of two thresholds are crossed: For changes in the carbon cycle that occur over long timescales, extinctions will follow if those changes occur at rates faster than global ecosystems can adapt.
«It is a sink for lots of diverse waste products; the microbe processes these products and then releases methane back into the global carbon cycle
«Methanogens are critical players in the global carbon cycle and have potential uses for addressing human problems,» says William W. Metcalf, a microbiologist at the University of Illinois at Urbana - Champaign, and a member of the research team.
This bonding behavior could therefore have significant implications for carbon reservoirs and fluxes, as well as for our understanding of the global geodynamic carbon cycle [E. Boulard et al., Tetrahedrally coordinated carbonates in Earth's lower mantle, Nature Comm.
M2009 use a simplified carbon cycle and climate model to make a large ensemble of simulations in which principal uncertainties in the carbon cycle, radiative forcings, and climate response are allowed to vary, thus yielding a probability distribution for global warming as a function of time throughout the 21st century.
ECCO model - data syntheses are being used to quantify the ocean's role in the global carbon cycle, to understand the recent evolution of the polar oceans, to monitor time - evolving heat, water, and chemical exchanges within and between different components of the Earth system, and for many other science applications.
Proposed explanations for the discrepancy include ocean — atmosphere coupling that is too weak in models, insufficient energy cascades from smaller to larger spatial and temporal scales, or that global climate models do not consider slow climate feedbacks related to the carbon cycle or interactions between ice sheets and climate.
Since this goes along with an increasing greenhouse effect and a further global warming, a better understanding of the carbon cycle is of great importance for all future climate change predictions.
«Generally accepted modern understanding of the global carbon cycle indicates that climate effects of CO2 releases to the atmosphere will persist for tens, if not hundreds, of housands of years into the future.»
eg pg xii To improve our predictive capability, we need: • to understand better the various climate - related processes, particularly those associated with clouds, oceans and the carbon cycle • to improve the systematic observation of climate - related variables on a global basis, and further investigate changes which took place in the past • to develop improved models of the Earth's climate system • to increase support for national and international climate research activities, especially in developing countries • to facilitate international exchange of climate data
Once again, if you want to live in energy gluttony without involving the global carbon cycle, start with a basic allocation of 100 square meters of solar cell area for each person, and get to work.
Over very long time periods such that the carbon cycle is in equilibrium with the climate, one gets a sensitivity to global temperature of about 20 ppm CO2 / deg C, or 75 ppb CH4 / deg C. On shorter timescales, the sensitivity for CO2 must be less (since there is no time for the deep ocean to come into balance), and variations over the last 1000 years or so (which are less than 10 ppm), indicate that even if Moberg is correct, the maximum sensitivity is around 15 ppm CO2 / deg C. CH4 reacts faster, but even for short term excursions (such as the 8.2 kyr event) has a similar sensitivity.
To put this into context, estimates of life - cycle global warming emissions for natural gas generated electricity are between 0.6 and 2 pounds of carbon dioxide equivalent per kilowatt - hour and estimates for coal - generated electricity are 1.4 and 3.6 pounds of carbon dioxide equivalent per kilowatt - hour [14].
If one tried to actually write «the» partial differential equation for the global climate system, it would be a set of coupled Navier - Stokes equations with unbelievably nasty nonlinear coupling terms — if one can actually include the physics of the water and carbon cycles in the N - S equations at all.
Studies of the global carbon cycle often identify biomass energy as being among the most important potential benefits associated with the forest industry value chain...» They then go on to worry that the use of paper fiber (biomass) for fuel would cause ``... - market - distorting public policies that disproportionately favor the use of these materials for their fuel value, - public policies that fail to recognize the direct and indirect economic and social benefits associated with using biomass as a feed stock for forest products manufacturing,...».
Kadyszewski presented ACR's Climate Leadership award to Dr. Sandra Brown, Winrock senior scientist and former director of Winrock's Ecosystem Services Group, for four decades of work advancing the understanding of the role forests play in the global carbon cycle.
Mathematical physicist Enting (author of the Australian Mathematical Scences Institute book Twisted: The distorted mathematics of greenhouse denial) worked at Australia's leading science agency, the CSIRO, for 24 years in atmospheric research and modelling of the global carbon cycle.
The lighter shaded areas depict the change in this uncertainty range, if carbon cycle feedbacks are assumed to be lower or higher than in the medium setting... Global mean temperature results from the SCM for anthropogenic and natural forcing compare favourably with 20th - century observations (black line) as shown in the lower left panel (Folland et al., 2001; Jones et al., 2001; Jones and Moberg, 2003).
The results hold implications for land management, improved climate change models, and a better understanding of carbon cycling in soil microbial communities and how changes in global temperatures impact Earth's deserts.
And then, ignoring that the heat we feel from the Sun is thermal infrared so does reach us, say that carbon dioxide a trace gas, and already fully part and parcel of the cooling cycling of the Earth in the Water Cycle, is responsible for raising the temperature of the Earth from -18 °C to 15 °C, without ever giving any rational explanation as to how it actually does this, and, that doubling it will cause catastrophic runaway global warming, doubling a trace gas it still remains a trace gas.
In the global aggregate, 21 gigatons of carbon dioxide emissions a year, more or less, is the sustainable global limit for natural cycles to keep atmospheric carbon dioxide levels level.
And you also knew, for example, that that an average gas driven car emitted 4.7 tons of carbon dioxide per year and an electric car would cut that in half even when powered from the current polluting grid, and much much less on a life cycle basis from a future global efficient renewable energy system displacing almost all fossil fuels.
M2009 use a simplified carbon cycle and climate model to make a large ensemble of simulations in which principal uncertainties in the carbon cycle, radiative forcings, and climate response are allowed to vary, thus yielding a probability distribution for global warming as a function of time throughout the 21st century.
Carbon dioxide (CO2) and methane (CH4) are the two most important anthropogenic greenhouse gases (GHGs) and a focus of international research activities related to a better understanding of the carbon cycle (see, for example, the Global Carbon Project (GCP)-RRB-.
That means this carbon has not been a part of the global carbon cycle for thousands of years, and releasing it now could have devastating consequences.
«The Global Carbon Budget and the information presented here are intended for those interested in learning about the carbon cycle, and how human activities are changing it.
Written in an accessible way, and assuming no specialist prior knowledge, this important book examines the processes of climate change and climate stability, from the distant past to the distant future.This book examines the greenhouse effect, the carbon cycle, and what the future may hold for global climate.
(oh, and the whole 13C thing has been known for a long time: «(2) consistent relationships between δ13C and CO2 (Rayner et al., 1999),» — or, google «13c global carbon cycle model»)
For instance, about half the total rise in atmospheric CO2 concentration has occurred in just the last 30 years — and of all the global life - support systems, the carbon cycle is closest to no - return.
The document introduces the CDM and its project cycle, provides an overview of the global and regional carbon market, and highlights challenges and opportunities for the CDM in various sector such as energy, forestry and transport.
An improved global understanding of nutrient availability would therefore greatly improve carbon cycle modelling and should become a critical focus for future research.
Scientists» understanding of the fundamental processes responsible for global climate change has greatly improved during the last decade, including better representation of carbon, water, and other biogeochemical cycles in climate models.
A few noted skepticism of climate science, saying carbon dioxide is «part of the cycle of life,» but for many opponents of the Clean Power Plan, the argument wasn't whether climate change was real but whether the plan's target on reducing emissions from coal power would effectively slow global warming.
Assuming for the sake of the argument that this swing was caused by a fall in global temperatures and using the median carbon cycle sensitivity value from the Frank et al. recent Nature letter, a 1.03 C global cooling would be implied.
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.
To ensure that we «count carbs» accurately, by explaining why we need a comprehensive accounting system for carbon emissions — one that measures global warming emissions over a transportation fuel's entire life cycle.
Ken Caldeira has been a Carnegie investigator since 2005 and is world renowned for his modeling and other work on the global carbon cycle; marine biogeochemistry and chemical oceanography, including ocean acidification and the atmosphere / ocean carbon cycle; land - cover and climate change; the long - term evolution of climate and geochemical cycles; climate intervention proposals; and energy technology.
The net impact of the 2015 — 2016 El Niño event on the global carbon cycle is an increase in atmospheric CO2 concentrations, which would likely be larger if it were not for the reduction in outgassing from the ocean.
Examining the greenhouse effect, the carbon cycle, and what the future may hold for global climate, this text draws from a wide range of disciplines, and not only summarizes scientific evidence, but also economic and policy issues, related to global warming.
a b c d e f g h i j k l m n o p q r s t u v w x y z