GIMMS_NDVI_8km_数据说明文档.pdfVIP

University of Maryland Global Land Cover Facility Data Distribution 1 1. TITLE 2. INVESTIGATOR(S) 3. INTRODUCTION 4. THEORY OF ALGORITHM/MEASUREMENTS 5. EQUIPMENT 6. PROCEDURE 7. OBSERVATIONS 8. DATA DESCRIPTION 9. DATA MANIPULATIONS 10. ERRORS 11. NOTES 12. REFERENCES 13. DATA ACCESS 14. OUTPUT PRODUCTS AND AVAILABILITY 15. GLOSSARY OF ACRONYMS 16. UMD UPDATES 1. TITLE 1.1 Data Set Identification Global Inventory Modeling and Mapping Studies (GIMMS) Satellite Drift Corrected and NOAA-16 incorporated Normalized Difference Vegetation Index (NDVI), Monthly 1981–2002. 1.2 Database and Database Table Name(s) Not applicable to this data set. 1.3 File Name(s) The files in this data set are named using the following naming convention: AF03dec15a.n16-VIg where AF identifies the continent AF = Africa AZ = Australia and New Zealand EA = Eurasia NA = North America SA = South America and Central America 03 is the two digit year, 1981 to 2003. dec is abbreviated month from January to December. 15a identifies the composite period, 15a denotes the days 1-15 of the month, and 15b denotes the days from 16 to the end of the month (28, 30 or 31). n16 identifies the satellite, NOAA-7, 9, 11, 14 or 16 from which the data originiated. VIg dentifies the data type, here NDVI. Global Inventory Modeling and Mapping Studies (GIMMS) AVHRR 8km Normalized Difference Vegetation Index (NDVI), Bimonthly 1981–2003. University of Maryland Global Land Cover Facility Data Distribution 2 1.4 Revision Date of this Document December 6, 2004. 2. INVESTIGATOR(S) 2.1 Investigator’s Name and Title Jorge E. Pinzon and M