Obtains information about the WTSS server
and about the coverages.
The Web Time Series Service is a lightweight web service the allow remote access to satellite
image time series and provides three operations:
1. list coverages: this operation allows clients to retrieve the capabilities provided
by any server that implements WTSS. It returns a list of coverage
names available in a server instance.
2. describe coverage: this operation returns the metadata for a given coverage
identified by its name. It includes its range in the spatial and temporal dimensions.
3. time series: this operation requests the time series of values of a coverage attribute
at a given location.