The following sources can be used to search data (maps, measured data etc) for research purposes.

African Journals Online (AJOL): http://www.inasp.org.uk/ajol/

ustralian Journals Online (AJOL): http://www.nla.gov.au/ajol/about.html

CARICOM: http://www.caricom.org/jsp/projects/projects_index.jsp?menu=projects

Climate links: http://www.hydromet.gov.gy/links.html

Center for ecology and hydrology: http://www.ceh.ac.uk/data/index.html

eIFL: Electronic Information for Libraries : http://www.eifl.net/

infoDev: http://www.infodev.org/en/index.html

Engineering Databases : http://www.internets.com/sengneer.htm

Eolss: http://www.eolss.net/

Earth science data products from NASA and affiliated centers: https://wist.echo.nasa.gov/~wist/api/imswelcome/

FAO-Suriname
http://www.fao.org/DOCREP/005/Y7429E/y7429e05.htm

Global Educational Outreach for Science Engineering and Technology: http://www.geoset.info/

INASP: International Network for the Availability of Scientific Publications : http://www.inasp.org.uk/

INASP: Programme for the Enhancement of Research Information (PERI) : http://www.inasp.org.uk/peri/

ISI Web of Knowledge : http://isi2.isiknowledge.com/portal.cgi/wos

ISI Web of Science : http://www.lib.washington.edu/databases/isi/wos.html

Physical and Life Sciences Indexes, Reference Sources and Some full text : http://www.uis.edu/library/science.htm

RETScreen international: http://www.retscreen.net/ang/version4.php

Science Databases : http://www.internets.com/sscience.htm

Search Engine Guide Science Databases : http://www.virtualchase.com/search_engines/science_databases.html

Spatial information: http://srtm.csi.cgiar.org/ or http://nasadaacs.eos.nasa.gov/index.html or

https://wist.echo.nasa.gov/api/ or http://csi.cgiar.org/index.asp

Water Resources Databases: http://www.nal.usda.gov/wqic/dbases.html