NASA Home Page Goddard Space Flight Center Home Page
NASA Logo - Goddard Space Flight Center   + Visit NASA.gov
a directory of Earth science data and services Global Change Master Directory Web site
header 2 bullet Links bullet FAQ bullet Contact Us bullet Site Map
Home Data Sets Data Services Learn about GCMD_legacy's portal collaborations. Add new dataset or dataservice records to GCMD_legacy What's New Participate Calendar About GCMD_legacy
 
Thumbnail Icon [Science_Parameters: Science_Category='EARTH SCIENCE', Science_Topic='ATMOSPHERE', Science_Term='ATMOSPHERIC CHEMISTRY', Science_Variable_Level_1='NITROGEN COMPOUNDS']

Refine by Category
 
Refine by Full Text

 

 

178 Titles Match Your Query
Showing 1 through 50 of 178 Next
1. MODAPS Web Services [MODAPS_WEB_SERVICE]
MODAPS Web Services provides an Application Programming Interface (API) to access the data products provided by the Level 1 and Atmosphere Archive and Distribution System (LAADS). The mission of MODAPS ...

2. Semantic Web for Earth and Environmental Terminology [SWEET-Ontology]
SWEET ontologies are written in the OWL ontology language and are publicly available. SWEET 2.3 is highly modular with 6000 concepts in 200 separate ontologies. You can view the entire concept space ...

3. TRMM Data Reader [TRMM_Data_Reader]
Read_HDF v2 (previously called TRMM Data Reader) is a tool to read in a TRMM HDF data file and write out user-selected SDS arrays and Vdata tables as separate flat binary files. New functionalities ...

4. Socioeconomic Data and Applications Center (SEDAC) Environmental Sustainability Index Electronic Seminar (ESI E-Seminar) [CIESIN_SEDAC_ESI_E-SEMINAR]
The Environmental Sustainability Index e-Seminar (ESI_e-Seminar) is a short online course describing the many facets of environmental sustainability. The course consists of a series of video discussions ...

5. Toolsets for Airborne Data (TAD) [NASA_TAD]
The Toolsets for Airborne Data (TAD), developed at the Atmospheric Science Data Center (ASDC) at NASA Langley Research Center (LaRC) to promote the airborne data use, is now available. This beta-release ...

6. IPCC Special Report on Emissions Scenarios (SRES) Database Query Service [CIESIN_SEDAC_IPCC_SRES_QS]
The Intergovernmental Panel on Climate Change (IPCC) Special Report on Emissions Scenarios (SRES) Database Query Service provides access to scenarios of future greenhouse gas emissions prepared by ...

7. Socioeconomic Data and Applications Center (SEDAC) Map Client [CIESIN_SEDAC_MAP_CLIENT]
Socioeconomic Data and Applications Center (SEDAC) Map Client is a web-based mapping tool that allows flexible interaction with spatial data from CIESIN’s SEDAC and other sources. The map client may ...

8. ORNL Metadata Editor [ORNL_MERCURY_OME]
The ORNL Metadata Editor (OME) is a Web-based tool that allows users to create and maintain eXtensible Markup Language (XML) files containing key information, or metadata, about the research. Metadata ...

9. Plumb Design Visual Thesaurus [Plumb_Visual_Thesaurus]
An experiment in language and interface, Plumb Design's Visual Thesaurus is both an artistic exploration and a tool to explore, study, and analyze the structure of language. By displaying the interrelationships ...

10. OPeNDAP [OPeNDAP]   CHILD SERFs
The OPeNDAP Data Access Protocol (DAP) is a protocol for requesting and transporting data across the web. DAP 2.0 uses HTTP to frame the requests and responses. OPeNDAP has developed a software ...

11. EPA Air Markets Program Data Interactive Map [EPA_Air_Markets_Program_Map]
EPA has created supplementary maps that allow the user to display geo-spatial data on an interactive 3D platform. The maps come in the form of a KMZ file (a compressed KML file) that is downloaded ...

12. CALINE3 - A Versatile Dispersion Model for Predicting Air Pollutant Levels Near Highways and Arterial Streets [CALINE3_Model]
(Summary adapted from EPA.) CALINE3 is a steady-state Gaussian dispersion model designed to determine air pollution concentrations at receptor locations downwind of "at-grade," "fill," "bridge," ...

13. The Personal Greenhouse Gas Emissions Calculator [Greenhouse-Gas-Calculator-99]
The Climate Change Calculator is an interactive software tool designed to raise user's awareness of the greenhouse gases they produce through their daily activities and lifestyle choices. This Canada-specific ...

14. Python implementation of the Data Access Protocol (pyDAP) [pyDAP]
Python implementation of the Data Access Protocol This module is an implementation of the Data Access Protocol written in Python from scratch. You can use the module as a client to connect to remote ...

15. docBUILDER Metadata Authoring Tool [GCMD_docBUILDER]
NASA's Global Change Master Directory (GCMD) web-based docBUILDER authoring tool provide the capability to create and modify metadata descriptions for GCMD metadata records include data set descriptions, ...

16. EOS ClearingHOuse (ECHO) [EOSDIS-ECHO]
The NASA-developed Earth Observing System (EOS) Clearinghouse (ECHO) is a spatial and temporal metadata registry that enables the science community to more easily use and exchange NASA's data and ...

17. The European Geo-Portal [EU_GEOPORTAL_INSPIRE]   CHILD SERFs
The INSPIRE geoportal provide the means to search for spatial data sets and spatial data services, and subject to access restrictions, view and download spatial data sets from the EU Member States ...

18. Community Multi-scale Air Quality (CMAQ) Model [CMAQ_Model]
The Community Multi-scale Air Quality (CMAQ) modeling system has been designed to approach air quality as a whole by including state-of-the-science capabilities for modeling multiple air quality issues, ...

19. California Environmental Information Catalog [CEIC]
The California Environmental Information Catalog is an online directory for reporting and discovery of information resources for California. Participants include cities, counties, utilities, state ...

20. Power and Emissions Thematic Mapper [EPA_egrid]
The Power and Emissions Thematic Mapper is a tool for visualizing power generation and emissions data by state and year on a Google Earth map. The data is from the Emissions & Generation Resource ...

21. Command-line Conversion Utility used to Convert HDF-EOS Version 2.x files to HDF-EOS Version 5.x. [heconvert]
heconvert is a command-line conversion utility used to convert HDF-EOS Version 2.x files to HDF-EOS Version 5.x. Upon successful completion of heconvert there will exist a fully qualified HDF-EOS ...

22. Mapx: Map Transformations Library [MAPX]
Mapx is a coordinate transformation library developed at NSIDC. The C code was initially developed from equations given by Snyder (1982) and tested against the examples in ...

23. Student's On-Line Atmospheric Research (SOLAR) [LARC_SOLAR]
Student's On-Line Atmospheric Research (SOLAR) is a NASA sponsored Educational Outreach Program. If you are a K-12 science teacher looking for ways to engage your students in learning activities that ...

24. Spatial Decision Support Knowledge Portal [INSTITUTE_REDLANDS_SDS]
The SDS Knowledge Portal is developed to help people involved in a spatial decision process (decision makers, practitioners, researchers) gain a holistic view of the spatial decision process and better ...

25. Columbia Earthscape [Earthscape]
Columbia Earthscape is an integrated, interdisciplinary resource that connects the Earth and environmental sciences with their social, political, and economic dimensions. Although it primarily serves ...

26. FLAMINGO: The Simple Interactive Mapviewer [FLAMINGO_GIS]
Flamingo is a simple interactive mapviewer, no more no less. But this limitation is also the strongest point of Flamingo. With only a handful of tool buttons users can easily use a map. Flamingo offers ...

27. The Encyclopedia of Earth [EOE]
The Encyclopedia of Earth (EoE) is an electronic reference about the Earth, its natural environments, and their interaction with society. The Encyclopedia is a free, fully searchable collection of ...

28. GeoTools Open Source Java GIS Toolkit [GEOTOOLS]
Geotools is an open source Java GIS toolkit for developing standards compliant solutions. It provides an implementation of Open Geospatial Consortium (OGC) specifications as they are developed. Geotools ...

29. The Climate TimeLine Information Tool: "Exploring Weather & Climate Change Through the Powers of 10" [NCDC_CLIMATE_TIMELINE]
"http://www.ncdc.noaa.gov/paleo/ctl/" Designed as an online tool allowing users to examine climate change and variability at different time scales, the Climate TimeLine has been developed through ...

30. gvSIG Tool for Managing Geographic Information [gvSIG]
gvSIG is a tool oriented to manage geographic information. It is characterized by a user-friendly interface, with a quick access to the most usual raster and vector formats. In the same view it includes ...

31. Metadata Enterprise Resource Management Aid [MERMAid]
The National Coastal Data Development Center (NCDDC) provides coastal data resources (organizations and individuals) with a tool to develop, validate, manage and publish metadata records via secure ...

32. TOXMAP: A GIS Information Portal to Environmental Health Resources [TOXMAP]
The National Library of Medicine (NLM) has an extensive collection of environmental health information, including bibliographic and factual data on hazardous chemical substances in its TOXNET databases. ...

33. Asian Pacific Natural Hazards Information Network [PDC_APNHIN]   CHILD SERFs
The Asia Pacific Natural Hazards Information Network (APNHIN) at the Pacific Disaster Center (PDC) supports disaster and resource managers, planners, governments, and nongovernmental organizations ...

34. Climate Analysis Indicators Tool (CAIT) from the World Resources Institute (WRI) [WRICAIT]
The Climate Analysis Indicators Tool (CAIT) is an information and analysis tool on global climate change. It provides a comprehensive and comparable database of greenhouse gas emissions data (including ...

35. Integrated Land and Water Information System (ILWIS) [ITC_ILWIS]
The Integrated Land and Water Information System (ILWIS) integrates image, vector and thematic data in one unique and powerful package on the desktop. ILWIS delivers a wide range of features including ...

36. My World GIS: A Geographic Information System for Learners [MyWorld_GIS]
My World is being developed at Northwestern University as part of a research program in the adaptation of expert data visualization and analysis tools to support inquiry-based learning. It is a Geographic ...

37. The Web-based Inquiry Science Environment (WISE) [WISE]
The Web-based Inquiry Science Environment (WISE) is a simple yet powerful learning environment where students examine real world evidence and analyze current scientific controversies. The curriculum ...

38. mezoGIS: A GIS Application and Graphical Interface To Query and Analyze Spatial Data [mezoGIS]
mezoGIS is a GIS application, a graphical interface to query and analyse spatial data. mezoGIS does not store or compute data directly, but operates external PostGIS databases. The goal of mezoGIS ...

39. Educational Global Climate Model (EdGCM) [EdGCM]
EdGCM provides a research-grade Global Climate Model (GCM) with a user-friendly interface that can be run on a desktop computer. For the first time, students can explore the subject of climate change ...

40. Dairy Gas Emissions Model [USDA_ARS_DairyGEM]
The Dairy Gas Emissions Model (DairyGEM) is a software tool for estimating ammonia, hydrogen sulfide, and greenhouse gas (GHG) emissions of dairy production systems as influenced by climate and farm ...

41. Dairy Greenhouse Gas Model [USDA_ARS_DairyGHG]
The Dairy Greenhouse Gas Model (DairyGHG) is a software tool for estimating the greenhouse gas emissions and carbon footprint of dairy production systems. A dairy production system generally represents ...

42. Mapbender [Mapbender]
Mapbender is the software and portal site for geodata management of OGC OWS architectures (WMS, WFS, WMC, GML, SFS, WKT,...). The software provides web technology for managing spatial data services ...

43. DNR Garmin Extension for ArcView [DNR_GARMIN]
The DNR Garmin Extension for ArcView was built to provide users the ability to directly transfer data between Garmin GPS handheld receivers and various GIS software packages. Using this extension ...

44. Practical Map Server (PMS) [PMS]
Practical Map Server (PMS) is a geospatial software package that delivers geographic content to web browsers and other compatible clients. PMS is written in Java. One source archive is temporarily ...

45. Climate Discovery Teacher's Guide [ClimateDiscovery]
Climate Discovery Teacher's Guide This teacher's guide was produced by the National Center for Atmospheric Research as a companion to the Climate Discovery exhibit at our Boulder, Colorado laboratory. ...

46. NCAR's Community Data Portal (CDP) [NCAR-CDP]
The Community Data Portal (CDP) is a collection of earth science datasets from NCAR, UCAR, UOP, and participating organizations in the following research areas: - oceanic - atmospheric - space weather ...

47. Fault Tolerant High Performance Information System (FTHPIS) [FTHPIS]
Fault Tolerant High Performance Information System (FTHPIS) is a system designed to provide dynamic publishing and discovering of web service information for large scale grid projects. The system ...

48. Extension Disaster Education Network (EDEN) [EDEN]
The Extension Disaster Education Network (EDEN) is a collaborative multi-state effort by Extension Services across the country to improve the delivery of services to citizens affected by disasters. ...

49. NPS Metadata Tools and Editor [NPS_MTE]
The NPS Metadata Tools & Editor (MTE) is a custom software application for authoring, editing, and managing National Park Service (NPS) metadata. The MTE operates either as an extension to ArcCatalog ...

50. General Cartographic Transformation Package (GCTP) [USGS-GCTP]
The General Cartographic Transformation Package (GCTP) is a system of software routines designed to permit the transformation of coordinate pairs from one map projection to another. The GCTP is the ...

Showing 1 through 50 of 178 Next
USA dot gov - The U.S. Government's Official Web Portal NASA
Webmaster:  Monica Holland
Responsible NASA Official:  Lola Olsen
Last Updated:  December 2014