Showing posts with label ipcc. Show all posts
Showing posts with label ipcc. Show all posts

Tuesday, March 13, 2012

Investigate Possible Future Effects of Climate Change in the U.S.

Comparisons and Research Using the Climate Change GIS Shapefiles

Using the data one could look at things like increases or decreases in temperature and precipitation over decades for any area or region in the contiguous U.S. of interest. All sorts of interesting comparisons may result for example, higher precipitation along with lower temperatures may indicate more snowfall and less rain. An increase in temperature later in the year may indicate a flood risk as the snowpack melts. You can probably imagine all sorts of scenarios to investigate with this data.

Data Units

Temperature: The monthly figures within each year represent the air temperature in degrees in K (Kelvin). You can convert K to Farenheit using the following formula:

F = (K - 273.15) * 9/5 + 32

or convert to Centigrade using this formula:

C = K - 273.15

Precipitation: The monthly figures within each year represent the precipitation in mm (milimeters). You can convert mm to inches using the following conversion factor:

1 millimeter = 0.0393700787 inch

or convert mm to cm (centimeters) using the following conversion factor:

1 millimeter = 0.1 centimeters

Click here to access the Climate Change GIS Shapefiles

Mike Meuser

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Saturday, October 16, 2010

Climate Change Global Warming Shapefiles - Changes in Temperature and Precipitation from 2010 through 2099

With these detailed shapefiles you can find out more about the effects of climate change from 2010 through 2099 anywhere in the United States.

IPCC 4th Assessment scenario A2 temperature and precipitation GIS shapefile map layers for the years 2010, 2020, 2030, 2040, 2050, 2060, 2070, 2080, 2090 and 2099. The data points are spaced approximately 4.5 km (2.8 miles) apart. The data covers the lower 48 United States. Each point includes data for each of the 12 months of the year, making comparisons and calculations of increases or decreases between months and decades possible.

About the A2 Scenario

The A2 storyline and scenario family describes a very differentiated and heterogeneous world. The underlying theme is self-reliance and preservation of local identities. Emphasis on economic, social, and cultural interactions between regions is less than in other storylines. Fertility patterns across regions converge very slowly, which results in high population growth. Economic development is uneven, the income gap between now-industrialized and developing parts of the world does not narrow, and per capita economic growth and technological change are more fragmented and slower than in other storylines. Main characteristics A2 scenario include: high population growth, medium GDP growth, high energy use, medium-high land use changes, low resource (mainly oil and gas) availability, slow pace and direction of technological change favoring regional economic development.

Learn More and Download IPCC 4th Assessment GIS Shapefiles

Saturday, June 19, 2010

Climate Change Global Warming Shapefiles - Changes in Temperature and Precipitation from 2010 through 2099

IPCC 4th Assessment scenario A2 temperature and precipitation GIS shapefile map layers for the years 2010, 2020, 2030, 2040, 2050, 2060, 2070, 2080, 2090 and 2099. The data points are spaced approximately 4.5 km (2.8 miles) apart. The data covers the lower 48 United States. Each point includes data for each of the 12 months of the year, making comparisons and calculations of increases or decreases between months and decades possible.

About the A2 Scenario

The A2 storyline and scenario family describes a very differentiated and heterogeneous world. The underlying theme is self-reliance and preservation of local identities. Emphasis on economic, social, and cultural interactions between regions is less than in other storylines. Fertility patterns across regions converge very slowly, which results in high population growth. Economic development is uneven, the income gap between now-industrialized and developing parts of the world does not narrow, and per capita economic growth and technological change are more fragmented and slower than in other storylines. Main characteristics A2 scenario include: high population growth, medium GDP growth, high energy use, medium-high land use changes, low resource (mainly oil and gas) availability, slow pace and direction of technological change favoring regional economic development.

In addition to each GIS shapefile map layer, you get base map layers including cities, roads, rivers, states and water bodies.

Download Climate Change Temperature and Precipitation GIS Shapefiles