ESO754

Homework #1

http://yang.gmu.edu/eos754/html/EOS754-Homework-Problem1.htm

 

1.     A set of NDVI (Normalized Difference Vegetation Index) data with global coverage and 1X1 degree resolution is given in Binary format. Please download the data, read the data in your environment or by a program, and display the following results.

a.      Color images of NDVI values for July 1982 over the US continent (17oN-51oN and 130oW-62oW).

b.     Display the time series of NDVI values over the pixel centered at (38.5oN, 77.5oW) for July 1981-June 1983 period.

For more information on this data set, one can visit a web page here.

 

2.     A set of NCEP/NCAR Reanalysis Monthly Mean Subsets (from DS090.0) is given in GRIB format. Please download the data, read the data in your environment or by a program, and display the following results.

a.      Contour plot of SLP (Sea Level Pressure) values for January 1981 over the globe.

For more information on this data set, one can visit the data web page at

http://dss.ucar.edu/datasets/ds090.0/

 

3.     A TRMM 3B42 data is given in HDF format. Please download the data, read the data in your environment or by a program, and display the following results.

a.      Plot the precipitation [rate] at least including an area between 20oN-35oN and 60oW-45oW (for Hurricane Floyd).

b.     Find the maximum rain fall rate and the corresponding location (latitude and longitude). Please note that you need to read the Readme file to find additional information on unit and on data grid.

For more information on this data set, one can visit the data web page at

http://daac.gsfc.nasa.gov/precipitation/TRMM_README/TRMM_3B42_readme.shtml#502

or download the data directly from NASA web site at

http://daac.gsfc.nasa.gov/daac-bin/whom/mk_page_cgi.pl?PATH=datapool/TRMM_DP/01_Data_Products/02_Gridded/06_3-hour_Gpi_Cal_3B_42/1999/09/13

 

Submission:

Please submit your results by email to yang@yang.gmu.edu (in one file if you have ZIP feature). The file name should start with yourLastName_firstName. If you use any programs including data description files, please include them as an appendix (or an attachment). If you used a tool, you should give a short description of the tool and your major steps to get the results.

 

Post Date: February 13, 2008

Due Date: March 5, 2008

Grade: 25 points total and 5% contribution to the final score.