Sentences with phrase «of global land area»

Under a high emission scenario, the projections show that by 2100, 3 - sigma heat waves will cover 85 per cent of the global land area and five - sigma heat waves will cover around 60 per cent of global land.

The Brazilian portion of the Amazon comprises 4 × 106 km2, 12 less than 1 percent of global land area, but disproportionally important in terms of aboveground terrestrial biomass (15 percent of global terrestrial photosynthesis [Field et al., 1998]-RRB- and number of species (~ 25 percent, Dirzo and Raven, 2003).

We can conclude that a significant proportion of the global land area was increasingly affected by a significant change in climatic extremes during the second half of the 20th century.

The percentage of global land area hit by drought doubled between the 1970s and the early years of this century.

The global percentage of dry areas has increased by about 1.74 % (of global land area) per decade from 1950 to 2008.»

They applied this model to a variety of regions around the world (40 % of the global land area) during the season of greatest precipitation.

With permafrost covering 25 % of global land area, massive stocks of un-rotted biomass are starting to unfreeze each summer and their resulting decay releases both CO2 and CH4.

Climate data from developing countries is scarce, that's 90 % (at least) of the global land area.

Globally, extremely warm nights that used to come once in 20 years now occur every 10 years.12 And extremely hot summers, those more than three standard deviations above the historic average, are now observed in about 10 % of the global land area, compared to 0.1 - 0.2 % for the period 1951 - 1980.13

In 2010, for example, one - fifth of the global land area experienced extreme maximum temperature anomalies that coincided with heat waves and droughts in Canada, the United States, Northern Europe, Russia, Kazakhstan, Mongolia and China and unprecedented droughts in tropical rainforests.

The statement, «This fits within the context of a long - term warming trend both here and around the globe,» Crouch said is still misleading or plain wrong as the trend of US and Canadian annual temperatures has been declining for nearly two decades (17 years) or since 1998, North America which is cooling, not warming represents 16 % of global land areas

Not exact matches

Feeding an estimated 9.8 billion people by 2050 on a rapidly shrinking area of arable land can only be accomplished through a radical transformation that includes a wholesale reinvention of our global environmental priorities, as well as our social ones.

New farmland is being developed in South America, rising global temperatures should increase the area of arable land in north America and northern Europe and improved governance in Africa is leading to increased food production there.

According to this study, the global area of land under certified organic agriculture in 2002 was 17.8 million hectares of which:

Those few country examples alone suggest a global certified organic land area in excess of half a million hectares than publicly available figures.

According to the study, soot from hydrocarbon - rich areas caused global cooling of 8 - 11 °C and cooling on land of 13 - 17 °C.

Alaska composes about one percent of Earth's total land area, and its estimated annual emissions in 2012 equaled about one percent of total global methane emissions.

But land, water and fertilisers are already in short supply in many areas, and expansion of agricultural land will put further pressure on biodiversity, increase greenhouse gas emissions, and perhaps bring us closer to ecological tipping points that could strain the global life - support systems upon which agriculture itself depends.

These results explain the difference between recent global estimates of forest «land use» area (3890 Mha) and the area with a «land cover,» the authors say.

Given the invisible prevalence of citizen science in advancing this one area of global change research, we suspect it also common in many other areas of inquiry such as studies of land - use change, invasive species, and environmental pollutants, to name a few.

Rising global temperatures have also made glaciers — ice masses that currently occupy nearly 10 percent of the world's total land area — increasingly unstable.

With the contribution of such record warmth at year's end and with 10 months of the year record warm for their respective months, including the last 8 (January was second warmest for January and April was third warmest), the average global temperature across land and ocean surface areas for 2015 was 0.90 °C (1.62 °F) above the 20th century average of 13.9 °C (57.0 °F), beating the previous record warmth of 2014 by 0.16 °C (0.29 °F).

Likewise, fire weather season length and long fire weather season affected area were significantly correlated with global net land carbon flux calculated from an analysis of the global carbon budget from 1979 to 2012 (ref.

Our ensemble fire weather season length metric captured important wildfire events throughout Eurasia such as the Indonesian fires of 1997 — 98 where peat fires, following an El Niño - induced drought, released carbon equivalent to 13 — 40 % of the global fossil fuel emissions from only 1.4 % of the global vegetated land area (Fig. 4, 1997 — 1998) 46 and the heatwave over Western Russia in 2010 (Fig. 4, 2010) that led to its worst fire season in recorded history and triggered extreme air pollution in Moscow51.

Global positioning satellites (GPS); remote sensing for water, minerals, and crop and land management; weather satellites, arms treaty verifications; high - temperature, light - weight materials; revolutionary medical procedures and equipment; pagers, beepers, and television and internet to remote areas of the world; geographic information systems (GIS) and algorithms used to handle huge, complex data sets; physiologic monitoring and miniaturization; atmospheric and ecological monitoring; and insight into our planet's geological history and future — the list goes on and on.

The lower land - use efficiency of organic systems means that «large - scale conversion to organic would likely require bringing more natural habitats into agricultural production,» with a potentially severe impact on global biodiversity due to the loss of rainforests and other currently wild areas.

RICHLAND, Wash. — Using a climate model that can tag sources of soot from different global regions and can track where it lands on the Tibetan Plateau, researchers have determined which areas around the plateau contribute the most soot — and where.

«Today, 110 of the 169 countries that declared in 2013 that they are affected by land degradation or drought have expressed interest in recovering large areas of degraded over the next 12 years, under a special global initiative, the Land Degradation Neutrality Target Setting Programme,» she obserland degradation or drought have expressed interest in recovering large areas of degraded over the next 12 years, under a special global initiative, the Land Degradation Neutrality Target Setting Programme,» she obserLand Degradation Neutrality Target Setting Programme,» she observed.

A fictional $ 9 billion company with the generic name Global Crosspower Solutions sends their crack closing team of Steve Butler (Damon) and Sue Thomason (McDormand) into rural Pennsylvania to buy up the land leases from the area's struggling farmers.

Whereas five types of surface (cultivated areas, pastures, forests, fisheries and built environment), planet Earth has approximately 13.4 billion global hectares (gha) of biologically productive land and water according to 2010 data from the Global Footprint Network and humanity's ecological footprint reached the milestone of 2.7 global hectares (gha) per person in 2007 for a world population of 6.7 billion people on the same date (according to the UN)[See Article A terra no limite (Earth in the limit) by José Eustáquio Diniz Alves available on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/terra-limite-humanidade-recursos-naturais-planeta-situacao-sustentavel-637804.shtglobal hectares (gha) of biologically productive land and water according to 2010 data from the Global Footprint Network and humanity's ecological footprint reached the milestone of 2.7 global hectares (gha) per person in 2007 for a world population of 6.7 billion people on the same date (according to the UN)[See Article A terra no limite (Earth in the limit) by José Eustáquio Diniz Alves available on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/terra-limite-humanidade-recursos-naturais-planeta-situacao-sustentavel-637804.shtGlobal Footprint Network and humanity's ecological footprint reached the milestone of 2.7 global hectares (gha) per person in 2007 for a world population of 6.7 billion people on the same date (according to the UN)[See Article A terra no limite (Earth in the limit) by José Eustáquio Diniz Alves available on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/terra-limite-humanidade-recursos-naturais-planeta-situacao-sustentavel-637804.shtglobal hectares (gha) per person in 2007 for a world population of 6.7 billion people on the same date (according to the UN)[See Article A terra no limite (Earth in the limit) by José Eustáquio Diniz Alves available on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/terra-limite-humanidade-recursos-naturais-planeta-situacao-sustentavel-637804.shtml >].

«A Global Citizen to me is someone who does not feel the boundaries of certain areas and has the sense of responsibility to be wary and cautious of the land and world around them.

First, the recent paper describing the threat of the «aridification» of a quarter of the planet's land area under continued global heating implies a critical loss of agricultural capacity.

In particular, the new «Planetary Boundaries» paper, forthcoming in Nature, makes the case that humanity has overshot the global carrying capacity in a variety of key areas, including GHGs [greenhouse gases], nitrogen, phosphorus, fresh water, land use, and biodiversity.

On average, the analysis covers the equivalent of 71 % of the total global land area, 17 % more than in previous studies.

These wildfires release soot into the atmosphere, which accelerates the rate of melting of glaciers, snow and ice it lands upon, which can lead to less reflectivity, meaning more of the sun's heat is absorbed, leading to more global warming, which leads to even more wildfires, not to mention greater sea level rise, which is already threatening coastal areas around the world.

Assuming negligible dimming before 1900s, this result translates into a global dimming trend of − 0.5 Wm − 2 per decade, with factors of 2 or larger dimming trend over land areas.

If this bias was representative of the land areas of the Earth, it would mean that the IPCC underestimated the magnitude of the IPCC estimate of global warming.»

EcoPlanet is the first company to successfully industrialize bamboo, providing a proven model of successful ecosystem restoration at scale, converting thousands of acres of degraded land back into fully functioning ecosystems, reversing the negative effects of global climate change and providing thousands of marginalized people with the potential to change their own lives in areas of the world where few opportunities exist, all while reducing deforestation and forest degradation through the provision of a sustainable alternative fiber for timber and fiber manufacturing industries.

Previous studies looking at impacts of climate change on the global food supply have only considered land - based food sources and these concluded that tropical areas will see a decline in land productivity.

Global land cover over time in the RCP4.5 scenario expressed as a percentage of total global lanGlobal land cover over time in the RCP4.5 scenario expressed as a percentage of total global langlobal land area

It found eight of the atolls and almost three - quarters of the islands grew during the study period, lifting Tuvalu's total land area by 2.9 percent, even though sea levels in the country rose at twice the global average.

In this case, the land use was first downscaled to the 0.5 ° harmonization grid, following the algorithms of the global land - use model (GLM)(Hurtt et al. 2006), preserving GCAM regional land use area totals and generating smooth spatial patterns in the transition from historical to future states.

Based on literature from a few regions and applied to a global scale, it was found that only 0.29 percent of total land area is currently under perennial energy crops.

The Challenge Areas of the Global Climate Action Summit are established around internationally relevant impact sectors (e.g., land use, jobs, sustainable communities, etc.).

And while you are doing that, davie, you might tell us in your own words how less than 1c warming since the end of the little ice age and the beginning of the industrial revolution, measured with ever changing systems in areas of exponential land use change by people who have a total, consensual belief in global warming by ACO2 and no demonstrable scientific scepticism whatsoever, must constitute a «bad thing», awa being scientifically based and believable.

Upper chart: Global average land area (in million hectares) in drought recovery for first year of each decade from 1901 to 2001.

However given that the Iceland contribution is weighted according to land area in the global records, the impact of this uncertainty is minimal.

The current global network of protected areas is quite extensive, covering 17 million square kilometers of land and 2 million square kilometers of oceans.

When the earth's temperature rises on average by more than two degrees, interactions between different consequences of global warming (reduction in the area of arable land, unexpected crop failures, extinction of diverse plant and animal species) combined with increasing populations mean that hundreds of millions of people may die from starvation or disease in future famines.

Boutrous pointed out that while global sea levels are rising on average, some evidence shows that sea levels have fallen in specific regions, and coastal flooding in places like the San Francisco Bay Area is also a function of local conditions like land subsidence.