WorldDEM Neo DSM

A medium resolution 5 m digital surface model, acquired worldwide. The collection contains data from 2017 to 2021.


Overview

WorldDEM Neo DSM is a satellite-based digital surface model (DSM) with worldwide availability. See more on the marketplace.

An elevation model of Jinzhong (China)

Geographic coverage

The geographic coverage is global.

Geometry type

This collection accepts AOIs. You will get imagery clipped to the defined AOI.

Specifications

General

SpecificationDescription
Collection typeCatalog
Product typeElevation
Model typeDSM
Data sourceTerraSAR-X

Data

SpecificationDescription
Spatial resolution5 m (medium)
Bit depth per pixel32-bit
Standard deliveryA ZIP file containing the following files:
  • Data (GeoTIFF)
  • Metadata (PDF)
  • Masks (CSV, GeoTIFF, KML)
  • Visuals (GeoTIFF)
NoData value-32767
Hydro-flatteningOceans: set to 0 m
Lakes: set to a single elevation value
Rivers: flattened in steps of 50 cm

Geographic reference

SpecificationDescription
Vertical datumEGM2008
Coordinate reference systemEPSG:4326
Absolute vertical accuracy1.4 m LE90
Relative vertical accuracy2 m for flat surfaces
4 m for slopes greater than 20%
Absolute horizontal accuracy6 m CE90

Limitations

LimitationValue
AvailabilityAcquisition date range:* 2017–2021
AOI sizeFrom 1 km2
Minimum width1 km

UP42 data products

DescriptionData product IDCollection name
WorldDEM NEO DSMec016f4c-332c-4190-b18b-13fb12519c40worlddem-neo