Graph of the Day: Annual Inflow to Perth Dams, 1911-2009

Changes in rainfall combined with increased potential evaporation are expected to result in reduced runoff across most of Australia. In some cases reductions could be be severe. For example, by 2050 average streamflow is projected to drop 7-35% in Melbourne, 10-25% in the Murray-Darling Basin and 31% in the Stirling catchment (WA). These estimates of […]

Graph of the Day: California Heat Waves, 1948-2006

An index of regional summertime heat wave activity that reflects intensity, duration and spatial extent of heat waves over California and Nevada. The index is computed using nighttime (minimum) temperatures for local durations of at least one, two and three consecutive days/nights. Deadly heat waves are becoming more frequent in California Technorati Tags: heat wave,global […]

Graph of the Day: Trends in Marine Fishery Catches, 1950-2005

Trends in marine fishery catches as a function of fish diversity. (A) Trajectories of fish and invertebrate collapses (i.e., falling below 10% of maximum historical harvest) over the last 50 yr (♦=collapses by year, ▲=cumulative collapses). Data are shown for all (black), species-poor (<500 species, blue) and species-rich (>500 species, red) Large Marine Ecosystems (LMEs). […]

Graph of the Day: Historic Texas Drought, August 2009

cf. Graph of the Day: Historic Texas Drought Technorati Tags: drought,agriculture,heat wave

Graph of the Day: Change in Poverty Due to Climate Change in 16 Developing Nations

(Purdue University) Urban workers could suffer most from climate change as the cost of food drives them into poverty, according to a new study that quantifies the effects of climate on the world’s poor populations. A team led by Purdue University researchers examined the potential economic influence of adverse climate events, such as heat waves, […]

Graph of the Day: Iceland Sea pH, 1985-2008

The graphs show Iceland Sea winter surface water changes in pH, and the saturation state of aragonite. The anthropogenic increase of atmospheric carbon dioxide affects the Nordic Seas both at the surface and at depth. In the surface, the pH has decreased from 8.13 to 8.08 between 1985 and 2008, and the aragonite saturation, which […]

Giant methane plume found in the depths off California

Sonar survey spies mysterious, 1.4-kilometer-tall feature in the depths off California By Sid PerkinsAn oceanographic survey has discovered a 1,400-meter-tall plume rising from the seafloor off the coast of California. Water samples taken at the site, about 32 kilometers northwest of Cape Mendocino, indicate that the feature isn’t mineral-rich water spewing from a hydrothermal vent, […]

Graph of the Day: US Healthcare Compared with UK, France, and Singapore

United States Private sector funded, with more than half from private sources. Private health insurance available through employer, government or private schemes. 15.3% of population (45.7 million people) do not have health insurance. Federal government is largest healthcare insurer – involved in two main schemes, Medicaid and Medicare, each covering about 13% of population. Medicaid […]

Graph of the Day: Delinquency Rates at Commercial Banks, 1991-2009

From Calculated Risk: The Federal Reserve reports that delinquency rates rose in Q2 in all categories. This graph shows the delinquency rates at the commercial banks for residential real estate, commercial real estate and consumer credit cards. Commercial real estate delinquencies (7.91%) are rising rapidly, and are at the highest rate since the early ’90s […]

Graph of the Day: India Rain Distribution, June-August 2009

by Rahul Goswami The first reports of drought-related suicides have begun filtering in from the district press. Farmers in the eastern coastal state of Andhra Pradesh are taking their own lives – the toll is said to be 20 farmers over the last 40 days. The state is one amongst many which has so far […]

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