Sentences with phrase «past land cover»

The goal of PAGES» LandCover6k Working Group is to use pollen, archaeological and historical data to provide information on past land cover and land use change that can be used to evaluate and improve Anthropogenic Land - Cover Change (ALCC) scenarios for palaeoclimate modelling and the study of land - use as a climate forcing.

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.

Uncertainties in climate responses to past land cover change: First results from the LUCID intercomparison study

Not exact matches

Over the past 5 years, IIASA researchers on the Geo - Wiki project have been leading a team of citizen scientists who examine satellite data to categorize land cover or identify places where people live and farm.

By comparing this historical data for 21 sites across England with recent pollinator records and land cover maps, they found that 85 % of sites had suffered declines in pollinator species richness of between 10 and 50 % over the past 80 - 100 years.

Created some 250 million years ago by the power of water when this land was covered by the ocean, this makhtesh, the largest in the world, is a geological wonder which is a window into the past.

This past weekend in San Francisco, March 2013 cover artist (and often Juxtapoz @ Outside Lands collaborator) Mike Shine opened a performance / installation / exhibition at White Walls Gallery, Flotsam &

However, the NYT, to their credit, did cover the current efforts by the BLM to sabotage the expansion of solar thermal electricity generation in the U.S.: http://www.nytimes.com/2008/06/27/us/27solar.html — that would be the same BLM that has been working overtime to transfer public lands to fossil fuel interests for the past 8 years or so.

All of this work will soon be advanced enormously by a major new collaborative international working group led by Kathleen Morrison, Land Use 6000 (LU6K), which aims to provide empirical global reconstructions of land use and land cover over the past 6000 years and earlier as part of the Land Cover 6000 project (LC6K) of PALand Use 6000 (LU6K), which aims to provide empirical global reconstructions of land use and land cover over the past 6000 years and earlier as part of the Land Cover 6000 project (LC6K) of PAland use and land cover over the past 6000 years and earlier as part of the Land Cover 6000 project (LC6K) of PAland cover over the past 6000 years and earlier as part of the Land Cover 6000 project (LC6K) of Pcover over the past 6000 years and earlier as part of the Land Cover 6000 project (LC6K) of PALand Cover 6000 project (LC6K) of PCover 6000 project (LC6K) of PAGES.

Forests cover about 25 % of the planet's land surface, but over the past three centuries Earth has lost at least a third of its natural tree cover, due to human expansion.

, wind farms covering 6 percent of the entire land surface of the 48 contiguous states, an outrageous and unrealistic increase in ecologically harmful hydroelectric power, and a build out of electricity generation capacity that hurtles along at 14 times the average rate of capacity expansion in the past half - century.

This Section places particular emphasis on current knowledge of past changes in key climate variables: temperature, precipitation and atmospheric moisture, snow cover, extent of land and sea ice, sea level, patterns in atmospheric and oceanic circulation, extreme weather and climate events, and overall features of the climate variability.

Modeled regional and global climate responses to simulated (107, 110, 111) and reconstructed historical land cover changes over the past century (112) and millennium (113) generally agree that anthropogenic deforestation drives biogeophysical cooling at higher latitudes and warming in low latitudes and suggest that biogeochemical impacts tend to exceed biogeophysical effects (113).

No systematic studies on these land cover changes and their impacts on climate or drought have been undertaken (68), but these changes are another important reason that droughts of the past are unlikely to be an exact analogue for current and future droughts.

Soil carbon sequestration is often conceived of as optimizing inputs and plant cover to restore carbon lost from past land use (West and Marland 2002; Brown et al. 2004; Lal 2004); global soils have lost an estimated 230 Pg C due to land use in the last 10,000 y (Lal 2001), and conventional cultivation decreases soil carbon by 25 — 50 % after 30 — 50 years (Johnson 1992; Post and Kwon 2000).

Fig. 6 illustrates that +3 σ anomalies practically did not exist in 1951 — 1980, but in the past several years these extreme anomalies have covered of the order of 10 % of the land area.

Just because a resume and cover letter helped you land a job in the past doesn't mean that you wouldn't benefit from a professional portfolio.

Cover Letters Cover letters are not a thing of the past and are essential to landing an interview.

Cover letters are not a thing of the past — they help you stand out among applicants and often make the difference between who lands an interview and who doesn't.

Including the right keywords in your resume and cover letter is vital to get past the applicant tracking system software to ensure you land an interview.

Overall, the strong upward movement in land prices has leveled out even though we have seen growth in values over the past six months especially in the East Central District, which covers much of the local market area.