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Latest Impact Factor figures from Elsevier's Geography, Planning and Development Journals

We are pleased to bring you the latest Impact Factor figures from Elsevier's Geography, Planning and Development journals. Highlights include...

journal cover imageGlobal Environmental Change
2009 Impact Factor
WAS
3.3402010 Impact Factor
NOW
4.918		impact factor bar-chart
journal cover imageMarine Policy
2009 Impact Factor
WAS
1.3962010 Impact Factor
NOW
2.053		impact factor bar-chart
journal cover imageWorld Development
2009 Impact Factor
WAS
1.2252010 Impact Factor
NOW
1.612		impact factor bar-chart
Listed by highest Impact Factor
Journal title2010 Impact Factor
Social Science & Medicine2.742
Health & Place2.694
Journal of Rural Studies2.533
Land Use Policy2.070
Landscape And Urban Planning2.004
Applied Geography1.904
Geoforum1.878
Political Geography1.774
Journal of Transport Geography1.706
Journal of Environmental Psychology1.449
Computers, Environment And Urban Systems1.183
Transportation Research Part D-Transport And Environment1.108
Habitat International1.103
Cities1.090
Progress In Planning1.062
Journal of Historical Geography0.983
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* Journal Citation Reports®, published by Thomson Reuters, 2011

Calculating Impact Factors

WHAT IS AN IMPACT FACTOR?
The journal impact factor is a measure of the frequency with which the average article in a journal has been cited in a particular year. The impact factor helps you evaluate a journal's relative importance, especially when you compare it to others in the same field. The impact factor is calculated by dividing the number of citations in the current year to items published in the two previous years by the total number of items published in the two previous years.

Using Journal X as an example:
Cites in 2010 to items published in: 2009
2008
Sum		 = 258
= 199
= 457
Number of items published in: 2009
2008
Sum		 = 116
= 71
= 187
Calculation: Cites to recent items 457 = 2.444
Number of recent items 187

The 2010 Impact Factor for Journal X is 2.444

Journal Performance Measurements

Journal performance measurements offer a systematic, objective means to critically evaluate journals, and several indicators are available.

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