Researchers show that future carbon accumulation rates are highly sensitive to
future land use changes.
Not exact matches
The new proposed model could allow a better quantification of the impacts that will likely occur under
changing climate and could be considered in
future ocean resources and
land use management.
GCAM is especially suited for projections such as this because it takes into account ongoing
future changes in technology, society and the economy, including energy and
land use.
Vulnerability of anaerobically protected carbon to
future climate or
land use change thus constitutes a yet unrecognized soil carbon - climate feedback that should be incorporated into terrestrial ecosystem models.»
By showing which
land use changes have driven pollinator declines over the past 100 years, the research reveals how we could ensure
future land use benefits these vital insects.
THE RESULTS Both studies found that
changes in
land use related to biofuel production would be a significant source of greenhouse gases in the
future.
To avoid costly problems in the
future, ICA and other groups recommend a variety of policy improvements, including
changing land use regulations in fire - and flood - prone areas, strengthening building codes, and improving weather warning and modelling services.
Methods: A global collaboration of scientists responded to a request from the Intergovernmental Panel on Climate
Change, and generated a set of four scenarios to represent future greenhouse gas emissions and land use c
Change, and generated a set of four scenarios to represent
future greenhouse gas emissions and
land use changechange.
Future carbon accounting frameworks will need to cover all
land uses and
land use changes in order to fully recognize the
land use sector's mitigation contribution.
Cochrane, M. A. & Barber, C. P. Climate
change, human
land use and
future fires in the Amazon.
In particular, the book will help the reader to discover underlying principles for the planning of
future cities and peri-urban regions in relation to: (i) Balanced urban development policies and institutions for
future cities; (ii) Understanding the effects of
land use change, population increase, and water demand on the liveability of cities; (iii) Long - term pl...
The Eastern Quoll may be detrimentally affected by feral cat predation (especially if cats have increased, or increase in the
future, following the severe decline of the Tasmanian Devil Sarcophilus harrisii), and dogs,
land -
use changes and road mortality.
Drawing parallels between the phantom presence of augmented reality and equally intangible notions of «the
future» — given the rapid progression of global technological and environmental
change — Lucas prompted each artist to create a virtual work imagining the
future of
Land Art and land
Land Art and
land land use.
Limiting Human Influences on
Future Climate We can't stop climate
changing, but we can reduce our many influences on it through our
use of energy,
land and chemicals.
We find that without dramatic increases in the area of forests, without substantially positive
changes in
land -
use practices, without large net positive effects of CO2 or climate
change in the
future, or without some other new significant carbon storage mechanism, the U.S. carbon sink itself will decrease substantially over the 21st century.
«Based on these studies, and many others
using fossil and historical records, we argue that evidence for the widely cited view that
future climate
change poses an equal or greater threat to global biodiversity than anthropogenic
land -
use change and habitat loss (Thomas et al., 2004) is equivocal: extinctions driven by the latter processes of habitat loss pose a far greater threat to global biodiversity.
Based on these studies, and many others
using fossil and historical records, we argue that evidence for the widely cited view that
future climate
change poses an equal or greater threat to global biodiversity than anthropogenic
land -
use change and habitat loss (Thomas et al., 2004) is equivocal
Implement the Global Climate
Change Initiative: Undertaking a pragmatic, whole - of - government approach to speed the transition to a low - carbon, climate - resilient
future, including (1) promoting clean energy solutions; (2) slowing, halting, and reversing emissions from
land use; and (3) helping the most vulnerable countries strengthen climate resilience.
These models take into account past and
future greenhouse gas concentrations, pollutant emissions, and
changes to how
land is
used.
Presuming that we want to be able to compare weather records over time without having to adjust or note for
changes in exposure and
land use and ground cover, it is best to locate weather stations over natural ground cover, and in an area not likely to experience significant
changes in ground cover in the foreseeable
future.
However, bioenergy that entails the dedicated
use of
land to grow the energy feedstock will undercut efforts to combat climate
change and to achieve a sustainable food
future.
by Judith Curry Health risks arise from the interaction of uncertain
future climatic
changes with complex ecological, physical, and socio - economic systems, which are simultaneously affected by numerous other
changes, e.g. globalisation, demographic
changes, and
changes in
land use, nutrition, health care quality.
Worldwide, from 1980 to 2009, floods caused more than 500,000 deaths and affected more than 2.8 billion people.18 In the United States, floods caused 4,586 deaths from 1959 to 200519 while property and crop damage averaged nearly 8 billion dollars per year (in 2011 dollars) over 1981 through 2011.17 The risks from
future floods are significant, given expanded development in coastal areas and floodplains, unabated urbanization,
land -
use changes, and human - induced climate
change.18
One of the featured projects is to generate scenarios for the
future of forests in different parts of the United States in light of climate
change,
land -
use changes and other factors.
For example, scenarios that rely on the results from GCM experiments alone may be able to represent some of the uncertainties that relate to the modelling of the climate response to a given radiative forcing, but might not embrace uncertainties caused by the modelling of atmospheric composition for a given emissions scenario, or those related to
future land -
use change.
No longer tended and watered, those orchards and fields are now fuel for fires, so communities have to account for such
changes in
land use when planning for
future fire risks.
At this session, the SBSTA agreed to consider these other issues relating to HWP in the context of the consideration of broader issues relating to
land use,
land -
use change and forestry, at
future sessions.
To address
future challenges related to climate
change and
land use, it will be important to assess the local impacts of tree loss on climate, climatic and ecological consequences, as well as the mechanisms that drive ecological responses in remote teleconnected areas.
In this manual, a methodology is proposed to relate different
future scenarios of
land use to
changes in the runoff indicator and in flood risk.
The paper by Hurtt et al. (2011) is the first to harmonize
land -
use history data with
future scenario data from multiple IAMs to form a single consistent, spatially gridded, set of scenarios on
land -
use change, to study human impacts on the past, present, and
future Earth system.
The main purpose of the first phase (development of the RCPs) is to provide information on possible development trajectories for the main forcing agents of climate
change, consistent with current scenario literature allowing subsequent analysis by both Climate models (CMs) and Integrated Assessment Models (IAMs).1 Climate modelers will
use the time series of
future concentrations and emissions of greenhouse gases and air pollutants and
land -
use change from the four RCPs in order to conduct new climate model experiments and produce new climate scenarios as part of the parallel phase.
As a basic rule,
future land use for the RCPs was based on the absolute
changes in the IAM output, combined with 2005 historical data.
The diversity in requirements and approaches among IAMs and CMs for tracking
land -
use changes (past, present, and
future) is significant.
Future global vegetation carbon
change calculated by seven global vegetation models
using climate outputs and associated increasing CO2 from five GCMs run with four RCPs, expressed as the
change from the 1971 — 1999 mean relative to
change in global mean
land temperature.
These models require consistent, spatially gridded data on
land -
use changes, historical to
future, in a format amenable to carbon / climate studies.
The research needs for predicting — across multiple scales — the impact of
land use change and management practices to the
future of terrestrial carbon storage and CDR potential
Since «even under the assumptions of the IPCC
changes to energy policies wouldn't have a discernible impact on
future disasters for the better part of a century or more,» the «only strategies that will help us effectively prepare for
future disasters are those that have succeeded in the past: strategic
land use, structural protection, and effective forecasts, warnings and evacuations.
For instance AOGCM - based climate scenarios do not usually allow for the effect on climate of
future land use and
land cover
change (which is itself, in part, climatically induced).
(11/15/07) «Ban the Bulb: Worldwide Shift from Incandescents to Compact Fluorescents Could Close 270 Coal - Fired Power Plants» (5/9/07) «Massive Diversion of U.S. Grain to Fuel Cars is Raising World Food Prices» (3/21/07) «Distillery Demand for Grain to Fuel Cars Vastly Understated: World May Be Facing Highest Grain Prices in History» (1/4/07) «Santa Claus is Chinese OR Why China is Rising and the United States is Declining» (12/14/06) «Exploding U.S. Grain Demand for Automotive Fuel Threatens World Food Security and Political Stability» (11/3/06) «The Earth is Shrinking: Advancing Deserts and Rising Seas Squeezing Civilization» (11/15/06) «U.S. Population Reaches 300 Million, Heading for 400 Million: No Cause for Celebration» (10/4/06) «Supermarkets and Service Stations Now Competing for Grain» (7/13/06) «Let's Raise Gas Taxes and Lower Income Taxes» (5/12/06) «Wind Energy Demand Booming: Cost Dropping Below Conventional Sources Marks Key Milestone in U.S. Shift to Renewable Energy» (3/22/06) «Learning From China: Why the Western Economic Model Will not Work for the World» (3/9/05) «China Replacing the United States and World's Leading Consumer» (2/16/05)» Foreign Policy Damaging U.S. Economy» (10/27/04) «A Short Path to Oil Independence» (10/13/04) «World Food Security Deteriorating: Food Crunch In 2005 Now Likely» (05/05/04) «World Food Prices Rising: Decades of Environmental Neglect Shrinking Harvests in Key Countries» (04/28/04) «Saudis Have U.S. Over a Barrel: Shifting Terms of Trade Between Grain and Oil» (4/14/04) «Europe Leading World Into Age of Wind Energy» (4/8/04) «China's Shrinking Grain Harvest: How Its Growing Grain Imports Will Affect World Food Prices» (3/10/04) «U.S. Leading World Away From Cigarettes» (2/18/04) «Troubling New Flows of Environmental Refugees» (1/28/04) «Wakeup Call on the Food Front» (12/16/03) «Coal: U.S. Promotes While Canada and Europe Move Beyond» (12/3/03) «World Facing Fourth Consecutive Grain Harvest Shortfall» (9/17/03) «Record Temperatures Shrinking World Grain Harvest» (8/27/03) «China Losing War with Advancing Deserts» (8/4/03) «Wind Power Set to Become World's Leading Energy Source» (6/25/03) «World Creating Food Bubble Economy Based on Unsustainable
Use of Water» (3/13/03) «Global Temperature Near Record for 2002: Takes Toll in Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's
Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for
Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate
Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of page
These analyses highlighted the potential role of non-climate
change drivers in
future land -
use change.
Changing practices in the
use of
land and water could make these terms larger in
future.
Although projected increases in greenhouse gas concentrations caused by fossil fuel combustion are expected to dominate 21st century climate
change, some studies suggest that anthropogenic
land use may yet be at least as important and may remain so in the near
future (8).
Regardless of whether early
land use significantly affected global climate, understanding the global role of
land use in determining the onset and magnitude of anthropogenic climate
change is critical for gauging the climatic impact of current and
future modifications of the terrestrial biosphere, including efforts to offset fossil fuel emissions by reducing deforestation (114).
This effort is a critical component of NOAA's research into the
future of the earth as a system under the influence of anthropogenic forcing to better understand how emissions of carbon dioxide from fossil fuels,
land use decisions and climate and ecological interactions will determine
future carbon dioxide levels and the corresponding climate
change.
Process - based studies have focused on understanding the role of the
land surface on climate, with research looking into the regional impact of historical or hypothetical (
future scenario)
land -
use change on climate, as well as understanding diurnal - scale relationships between surface fluxes of heat and moisture and subsequent atmospheric processes such as convection and the generation of precipitation.
It is far from clear how the interactive effect of climate
change,
land -
use activities and rising CO2 will influence the Sahel in
future.
Current models attempt to predict
future land -
use change based on
changes in commodity prices.
The latter will improve our understanding of past
land cover - climate interactions and the effect of current and
future land -
use change on tomorrow's climate.
[Response: For any projection for the
future of climate, you obviously need a projection of emissions (greenhouse gases, ozone and aerosol precursors, etc.),
land use change and so on.
Ku, S. Gaffin, and P.L. Kinney, 2007: Air quality in
future decades: Determining the relative impacts of
changes in climate, emissions, global atmospheric composition, and regional
land use.