Okhotsk sea-ice distriction(OKID)
Introduction
OKID | Define | The extent of sea ice in Okhotsk Sea. |
Unit | none | |
ATBD |
Ver.1 (Mar. 2016) Ver.2 (May. 2020) |
Update contents of Ver.2
- ・Improved algorithm of cloud identification
Update contents of Ver.3
- ・Updated training dataset
Sample image
File format | Ver.1 | Ver.2 | Ver.3 | hdf5 |
TBU |
OKIDQ(250m) |
OKIDQ(250m) |
---|---|---|---|
Image |
TBU |
OKIDQ(250m) |
OKIDQ(250m) |
Dataset name
Ver1,2,3 | Description |
---|---|
Line_tai93 | TAI93 at each line |
OKID |
QA_flag information
- None
Attribute information
How to use
- ・Valid values are during Minimum_valid_DN~Maximum_valid_DN
- ・OKID_Bit information
Bit | Ver1,2,3 | Description | OKID_L3_mask* |
---|---|---|---|
0 | C1 algorithm process | 0 | |
1 | cloudy/clear flag | 0 | |
2 | 0 | ||
3 | 0 | ||
4 | day/night flag | 0 | |
5 | land/water flag | 0 | |
6 | snow/ice flag | 0 | |
7 | 0 | ||
8 | 0 | ||
9 | cloud shadow flag | 0 | |
10 | radiance saturation | 0 | |
11 | sun-glint | 0 | |
12 | missing channel (VN,SW,IR) | 0 | |
13 | 0 | ||
14 | 0 | ||
15 | error | 0 |
- * Bits masked by statistical processing are indicated by 1.