The population of cities in the studied region grew annually, on average, at 2.8 %, in contrast to the rates of change for
urban land average, which grew 2.0 % annually.
Not exact matches
This translates into an
average temperature rise of 4.3 C over
land in the northern hemisphere where most of the world's population lives, and even more in
urban areas.
In my experimentation with the data, I found that it was virtually impossible to get results inconsistent with the NASA results — rural stations,
urban stations, raw data, adjusted data — once you
average data from a few dozen stations scattered around the world, everything settles right down to something that looks very much like the NASA
land - temp.
To add to the confusion, «about 90 percent of the
land - based data now being used to construct global
averages are sampled in cities,» contaminating readings with an «
urban heat island» effect.
The
Urban Heat Island Effect Has Hopelessly Corrupted the
Land Thermometer Data... substantial
average UHI warming occurs even at low population densities, about ~ 1 deg.
«The
urban heat island effect is locally large and real, but does not contribute significantly to the
average land temperature rise.
Objection: The apparent rise of global
average temperatures is actually an illusion due to the urbanization of
land around weather stations, the
Urban Heat Island effect.
I believe that that is supposedly about the fact that many
land based stations were located close to
urban areas 100 years ago, and are now in
urban areas, that is the world
average temperature is supposedly overstated because the weather stations aren't representative.
It was authored by Charlotte Wickham, Judith Curry, Don Groom, Robert Jacobsen, Richard Muller, Saul Perlmutter, Robert Rohde, Arthur Rosenfeld, and Jonathan Wurtele and is titled Influence of
Urban Heating on the Global Temperature
Land Average Using Rural Sites Identified from MODIS Classifications.
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The apparent rise of global
average temperatures is actually an illusion due to the urbanization of
land around weather stations, the
Urban Heat Island effect.
2) Influence of
Urban Heating on the Global Temperature
Land Average Using Rural Sites Identified from MODIS Classifications Charlotte Wickham1, Judith Curry2, Don Groom3, Robert Jacobsen3, 4, Richard Muller3, 4, Saul Perlmutter3, 4, Robert Rohde5, Arthur Rosenfeld3, Jonathan Wurtele3, 4
So, if one billion atomic bombs had actually rained down at random over the Earth's surface over the last decade, then on
average 30 million such bombs would have
landed in
urban areas.
In Los Angeles, for example,
land for industrial developments — many of which are changing from industrial use to residential mixed - use — have
averaged approximately $ 23 per sq. ft. at the beginning of 2014 and by year «s end, asking prices were as high as $ 32 per sq. ft.. There has been and continues to be keen competition for every developable site, with the
urban core expanding into previously blighted areas.
Admission to the BBRE will require graduation from the
Urban Land Economics Diploma or equivalent, with a grade point
average of 2.0 (60 %) or greater.
The
Urban Land Institute found that Farmscape's growing areas cost no more to maintain than traditional landscaping, yet residents pay an
average of $ 7 more per month in rent to live in multifamily buildings that include the company's gardens.
A recent
Urban Land Institute study of 95 apartment communities in various stages of development determined that the
average developer was expecting operating income to provide a 10.7 percent annual return on development costs.