The coincidence of this area loss and a 30
square kilometer loss in 2008 with abnormal warmth this year, the setting of increasing sea surface temperatures and sea ice decline are all part of a climate warming pattern.
Not exact matches
In that scenario, the study showed the
loss 3 million to 5 million
square kilometers of permafrost and changes in soil carbon ranging from a 66 - petagram
loss to a 70 - petagram gain.
Losses began to get greater each summer thereafter, apparently due to global warming, dropping to about five million
square kilometers in 2007.
All told, it covered 502,000
square miles (1.3 million
square kilometers) less ocean than even the year before — a
loss equal to an area the size of California and Montana combined.
Between 2000 and 2012, the world lost more forest area than it gained, according to U.S. Forest Service researchers and partners who estimated a global net
loss of 1.71 million
square kilometers of forest — an area about two and a half times the size of Texas.
Covering 1.59 million
square miles (4.12 million
square kilometers), this summer's sea ice shattered the previous record for the smallest ice cap of 2.05 million
square miles (5.31 million
square kilometers) in 2005 — a further
loss of sea ice area equivalent to the states of California and Texas combined.
Five (5) responses suggested a less dramatic
loss than in 2007 (i.e., 4.3 million
square kilometers) and closer to the pre-2007 long - term trend of approximately 10 %
loss per decade.
Recently, we highlighted the statistic that China has up to 3.57 million
square kilometers of degraded lands, i.e. lands experiencing «heavy water and soil
loss.»
Total ice extent
loss in August was 2.34 million
square kilometers (904,000
square miles).
Millions of
square kilometers sea ice extent Month — last 5 years — baseline End July — 8.73 — 10.10 End Aug — 6.04 — 7.67 End Sep — 5.02 — 7.04 Average — 6.60 — 8.27 Difference 1.67 million
square kilometers (msk) Cumulated
loss = 20 %
-LSB-...] we highlighted the statistic that China has up to 3.57 million
square kilometers of degraded lands, i.e. lands experiencing «heavy water and soil
loss.»
This is a decrease from the average rate of ice
loss for June 2010 of -85,210
square kilometers per day, and is slower than climatology (average of -84,050
square kilometers per day for 1979 - 2000).
From July 1 - July 20, the rate of ice
loss averaged -79,810
square kilometers per day.
Then, according to his calculations, the area of forest
loss would be 3.65 million
square kilometers (1.41 million
square miles)-- more than half the size of Australia if the rest of the world continues with «business as usual.»
The remaining estimates fall into «high» and «low» extent groupings: the low extent group with a range of 4.2 to 4.7 million
square kilometers, representing a continued
loss of sea ice extent compared to 2008/2009, and the high extent group of 5.4 to 5.7 million
square kilometers, suggesting a return to the long - term trend for summer sea ice
loss.
The
loss of more than 150,000
square kilometers of forest over the past eight years has shown that a business - as - usual approach will not be enough to conserve the bulk of the Amazon.
And the decline has accelerated, becoming far more dramatic, since about the year 2000, leading to annual average sea ice
loss of around three million
square kilometers.
In fact, despite the hundreds of millions of dollars in donor funds that have flowed into the region since 2000 and the establishment of more than 100 million hectares of protected areas since 2002, average annual deforestation rates have increased since the 1990s, peaking at 73,785
square kilometers (28,488
square miles) of forest
loss between 2002 and 2004.
The rate of ice
loss during July 2016 was slightly below average at 83,800
square kilometers (32,400
square miles) per day.
The researchers incorporated indirect deforestation from mining, including infrastructure built to support mineral extraction and transport, into their estimates, concluding that 11,670
square kilometers (4,500
square miles), an area twice the size of the state of Delaware, of forest
loss was attributable to mining during that period.
The
loss translates to 47,278
square kilometers (18,244
square miles), an area larger than Denmark.
Two contributors forecast a September minimum below that of 2007 at 4.0 million
square kilometers and 3 contributors suggest a return to the long term downward linear trend for September sea ice
loss (5.5 to 5.6 million
square kilometers).
To put this estimate in context, this is below the 2009 minimum of 5.4 million
square kilometers and represents a continuation of the long - term
loss of summer arctic sea ice.
Wilson (no organization provided); 2.5 Million
Square Kilometers; Statistical and Heuristic Statistical relationship between ice
loss and relative strength of El Nino is used for the September minimum.
On average the daily ice
loss rate for the Arctic as a whole during August was -54,000
square million
square kilometers per day, or about average.
Assuming no unique atmospheric influence on ice
loss in 2010 gives a September minimum of 5.0 million
square kilometers.