Deprecation and Replacement of LP DAAC OGC Web Map Services

April 21, 2020
By: LP DAAC

The Land Processes (LP) Distributed Active Archive Center (DAAC) will be deprecating their current Open Geospatial Consortium (OGC) Web Map Service (WMS) on May 29, 2020. These will be replaced by a new collection of OGC compliant Web Map Services. The expected changes are listed below:

  • The OGC Web Map Service (WMS) endpoint is no longer a single endpoint. The LP DAAC will now make several data product specific WMS endpoints available.
  • Each service will no longer explicitly list a map layer for each time slice within a 1-year rolling time window. Rather, each service will contain a time dimension that can be queried. This time parameter gives the client access to a 1-year rolling time window for each layer contained in the service.
  • Data products with 1-year temporal resolution (e.g. MCD12Q1 v006 ) will contain all available years within the service.
  • The MOD14A2 v006 FireMask service will now display pixel classes and will no longer be overlaid on NASA’s Blue Marble layer.
  • Each service will contain two separate layers. One layer is a grayscale representation of the source data, while the second layer is a colored/classified representation of the source data and will contain “colorized” in the layer name.
  • The available spatial reference systems have been reduced. Each service now only supports CRS:84 (WGS 84 longitude/latitude axis ordering), EPSG:4326 (WGS 84 latitude/longitude axis ordering) and EPSG:3857 (Web Mercator Projection).

Starting May 1, 2020, the current WMS and the new WMSs will run in parallel until May 29, 2020. We apologize for any short-term inconvenience this may cause. Presently, we are working to expand and improve these services. This will be the first step in the process. The services themselves will likely be more fluid than they have been in the past, but we will endeavor to make sure any changes are communicated and well documented. We welcome any feedback you can supply while we are in this time of change.