Category Archives: Land use land cover change

When Did Anthropogenic Global Warming Begin?

By WUWT Regular “Just The Facts”: Note: This article builds upon a previous article, When Did Global Warming Begin?, which offers highly recommended background for this article. There appears to be some confusion as to when humans might have begun … Continue reading

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Posted in Carbon dioxide, Land use land cover change, measurement | Tagged , , , , , , | 194 Comments

Study: Changing Land-use Not Global Warming to Blame for Increased Flood Risk

Major flood events occur around the world every year, but with international loss databases documenting increased incidents of flooding, more material loss and greater fatality rates, are these events on the increase, and are they getting worse? A new study … Continue reading

Posted in flooding, Land use land cover change, Weather | 38 Comments

Is Fighting Global Warming the Solution to Water Shortages in Malawi (or Elsewhere)?

Guest essay by E. Calvin Beisner In late May two evangelical environmentalists, recently returned from visiting Malawi, published articles in which they said poor Malawians are suffering from reduced rainfall caused by manmade global warming. Jonathan Merritt wrote for Religion … Continue reading

Posted in Agriculture, Land use land cover change, UHI | Tagged , , , , , , , , | 90 Comments

The Chinese demonstrate that UHI has a real and essential effect on regional climate change

Study finds that urbanization has considerable influence on the regional climate change, they even blame proximity to air-conditioning as a factor. Press release from Science China Press (full paper follows) Urbanization and surface warming in eastern China A recent study … Continue reading

Posted in Land use land cover change, UHI | Tagged , , , , , , , | 33 Comments

The Stokes-Kaufman contamination protocol – a ‘sticky’ wicket

Over at Climate Audit, Steve McIntyre has found yet another unexplainable inclusion of a hockey stick shaped proxy in the PAGES2K paper. What is most interesting about it is that when you look at the proxy plot panel, it reminds … Continue reading

Posted in Land use land cover change, Paleoclimatology, Proxies | Tagged , , , , , , , | 90 Comments

Berkeley Earth, Very Rural and Not

Jet exhaust as climate forcing Guest Post by Willis Eschenbach The good folks over at the Berkeley Earth Surface Temperature project have published their paper about urban heat islands. It’s called “Influence of Urban Heating on the Global Temperature Land … Continue reading

Posted in Land use land cover change, Surfacestations paper, UHI | Tagged , , , , , , , | 257 Comments

A bridge in the climate debate – How to green the world’s deserts and reverse climate change

This is one of the most important posts ever on WUWT, it will be a top “sticky” post for a few days, and new posts will appear below this one during that time. People send me stuff. Imagine, shooting 40,000 … Continue reading

Posted in Agriculture, Drought, Earth, Land use land cover change | Tagged , , , | 586 Comments

Inconvenient conclusions in a new climate and land use paper

Dr. Roger Pielke Sr. sends word of this new paper now in early release at the Journal of Climate. The paper suggests humans have strong impacts on the local climate, but not always through the pathways commonly touted as being … Continue reading

Posted in Land use land cover change | Tagged , , , , , | 32 Comments

Pielke Jr. on Hurricane Sandy – ‘not the new normal’

Dr. Roger Pielke, Jr. has authored an excellent essay in yesterday’s Wall Street Journal that put the kibosh on the “new normal” meme seen here . As Pielke clearly shows, hurricanes like Sandy are not the “new normal” and the data tells … Continue reading

Posted in hurricanes, Land use land cover change | Tagged , , , , | 22 Comments

Sea Ice Page Upgrades, Observations and Questions

By WUWT regular “Just The Facts” In making a couple upgrades to the Sea Ice Page, I made a few observations, and a few questions arose. Firstly, several weeks ago the following exchange occurred on a Sea Ice News thread: … Continue reading

Posted in Arctic, feedbacks, Land use land cover change, Oceans, Sea ice, Sea Surface Temperature, Temperature | Tagged , , , , , | 125 Comments

More modeling madness: increased temperature ‘may’ cause more violent thunderstorms – but other studies show what they missed

From Tel Aviv University, another science press release with “could and may” qualifiers:  Climate Change May Lead to Fewer — But More Violent — Thunderstorms Number of flash floods and forest fires could increase with temperature, says TAU researcher Researchers … Continue reading

Posted in ENSO, Land use land cover change, Modeling, modification, thunderstorms, UHI, Weather | Tagged , , , , , | 62 Comments

Impact on temperature measurement: Cities expand by area equal to France, Germany and Spain combined in less than 20 years

Dr. Roger Pielke Sr. points out on his weblog this interesting press release from IGBP (from March 2012) that we all apparently missed until now. One of the points worth noting is that there were fewer than 20 cities of … Continue reading

Posted in Land use land cover change, UHI | Tagged , , , , , | 54 Comments

CO2 Is Greening The Planet: African Savannahs Getting a Makeover to Forests

I’ve covered this before, such as when NASA posted satellite data showing that the biosphere is booming thanks to CO2 fertilization. This new study from Goethe University in Frankfurt, Germany suggests that the Umbrella Thorn Acacia trees will make a … Continue reading

Posted in Carbon dioxide, Forests, Land use land cover change, Positive effects of CO2 | Tagged , , , , , , , | 85 Comments

Heating up in Huntsville – the discovery of FHI?

WUWT reader BarryW found this on the Huntsville Office of the State Climatologist, operated by our friend, Dr. John Christy and left it in Tips and Notes. First Christy’s article, then the report on the rabbit hole my investigation sent … Continue reading

Posted in Climate data, Land use land cover change, Weather_stations | Tagged , , , , , , , , , | 31 Comments

RDU’s paint by numbers temperature and climate monitoring

After reviewing over 1000 USHCN stations in the United States as part of my surfacestations.org project, I have often thought that I can’t find anymore surprises in the train wreck that is our surface observing network. Apparently I’m wrong. Can … Continue reading

Posted in Climate data, GHCN, Land use land cover change, Weather_stations | Tagged , , , , , , , , | 58 Comments

Crowdsourced Climate Complexity – Compiling the WUWT Potential Climatic Variables Reference Page

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments, which began on this thread on January, 15th 2011, and grew on January 22nd, 2011, February 10th, 2011, February 28th, 2011, June 30th, 2011 … Continue reading

Posted in AMO, Announcements, Antarctic, Arctic, Carbon dioxide, Carbon sequestration, Citizen science, Climate data, clouds, Cosmic rays, dust storms, Earth, Education, Energy, ENSO, Environment, feedbacks, flooding, Forecasting, geothermal energy, Global warming, hurricanes, Land use land cover change, lightning, measurement, Methane, Modeling, Oceans, PDO, Science, Sea ice, snowfall, Temperature, tornadoes, UHI, Weather | Tagged , , , , , , , , | 132 Comments

Study: ‘green’ biofuels could be costing the earth

From the University of Leicester  department of inconvenient truths: New study suggests EU biofuels are as carbon intensive as petrol University of Leicester research into greenhouse gas emissions from oil palm plantations provides robust measures now being used to inform … Continue reading

Posted in Carbon footprint, Environment, Green tech, Land use land cover change | Tagged , , | 74 Comments

More on land use change affecting temperatures

Pursuant to the story on sugarcane cooling the local climate, here are two posts from Dr. Roger Pielke Senior that show the effects of land use change in other venues. ============================================================== Excellent Presentation Of Land Use/Land Cover Effects On Climate … Continue reading

Posted in Land use land cover change | Tagged | 14 Comments

Another significant land use effect found – sugar cane

It has long been known that changes in land use can affect local temperatures. Switching from forest to pastureland to a concrete jungle has a measurable effect. Here, we see that the type of crop associated has a dramatic effect: … Continue reading

Posted in Agriculture, Land use land cover change | Tagged , | 106 Comments

More proof that Kilimanjaro’s problems are man-made; but not what some think it is

More proof positive that land use change has more to do with Kilimanjaro’s diminishing snowfall (due to reduced evapotranspiraton of surrounding land) than climate change. But, will we ever see Al Gore or Dr. Lonnie Thompson say anything other than … Continue reading

Posted in Al Gore, Land use land cover change | Tagged , , , , , | 38 Comments