Knowledge Base

Parameter Description and File Naming Convention for IceBridge-Related DMS-Derived L4 Sea Ice Surface Cover Classification Images

Parameter Information

The parameter provided in this data set is sea ice surface classification with values ranging from 0 to 5, as summarized in Table 1 below:

Table 1. Sea Ice Surface Classes

Parameter value

Sea ice surface class

0

No data

1

Snow and bright ice

2

Dark and thin ice

3

Melt ponds and submerged ice

4

Open water

5

Ridge shadows

File Information

Format

Data files are provided as: TIFF images, (.tif) format and quality score files in CSV (.csv) format.
Additional file-level metadata are also provided in XML (.xml) format.

Naming Convention

Example file names:
RDSISC4_2018_04_16_01409_classified.tif
GR_20180416_metadata.csv
RDSISC4_2018_04_16_01409_classified.tif.xml

The files are named according to the following convention, which is described in more detail in Table 2:
RDSISC4_yyyy_mm_dd_NNNNN_classified.ext
GR_YYYYMMDD_metadata.csv

Table 2. File Naming Convention

Segment of file name

Description

RDSISC4

Data set ID

yyyy_mm_dd

Year, month, and day of measurement for data files

NNNNN

Frame number from the digital mapping system (DMS) camera

classified

File content type: classified images

GR

Location: Greenland (GR)

YYYYMMDD

Year, month, and day of measurement for metadata files

.ext

File type:

.tif: Image file
.csv: CSV quality score file
.xml: XML metadata file