Cloud Properties (CLPR)
[DOI: 10.57746/EO.01gs73b3c7kj640ss6zrvc74r3]
Introduction
| CLOT_W, CLER_W | Definition | Optical thickness and effective radius of water cloud droplets |
| Unit | none for thickness, mm for radius | |
| ATBD |
Ver.1 (Sep. 2011) |
|
| CLOT_I, CLER_I | Definition | Optical thickness and effective radius of ice cloud droplets |
| Unit | none for thickness, mm for radius | |
| ATBD |
Ver.1 (Sep. 2011) |
|
| CLTT, CLTH | Definition | Temperature and height of cloud top layer. |
| Unit | Kelvin for temperature, km for height | |
| ATBD |
Ver.1 (Sep. 2011) |
|
| CLTYPE | Definition | Cloud discrimination flag including the classification of cloud type and phase (liquid/solid). |
| Unit | none | |
| ATBD |
Ver.1 (Sep. 2011) |
Update contents of Ver.2
- ・None
Update contents of Ver.3
- ・None
Sample image
| File format | Ver.1,2,3 | hdf5 |
CLPRK(1km) |
|---|---|
| Image |
CLTT(1km) CLER(1km) |
Dataset name
| Ver.1,2,3 | Description |
|---|---|
| CLER_I | Ice Cloud Effective Radius |
| CLER_W | Liquid Water Cloud Effective Radius |
| CLOT_I | Ice Cloud Optical Thickness |
| CLOT_W | Liquid Water Cloud Optical Thickness |
| CLTH | Cloud Top Height of Both Liquid Water and Ice Clouds |
| CLTT | Cloud Top Temperature of Both Liquid Water and Ice Clouds |
| CLTYPE | Cloud Type under ISCCP Cloud Type Classification Definition |
| QA_flag |
QA_flag information
Ver.1,2,3 Ver.1,2,3(Sample Image)
| Bit | Ver.1,2,3 | Description | CLER_I, W_L3_mask* | CLOT_I, W_L3_mask* | CLTH, CLTT_L3_mask* | CLTYPE_L3_mask* |
|---|---|---|---|---|---|---|
| 0 | Data Availability | 0=Available, 1=Not Available | 0 | 0 | 0 | 0 |
| 1 | Land / Water Flag | 0=Water, 1=Land | 0 | 0 | 0 | 0 |
| 2 | Day / Night Flag | 0=Day, 1=Night | 0 | 0 | 0 | 0 |
| 3 | Cloud Phase Flag | 000=No Measurement 001=No Cloud Flag 010=Clear 011=Undetermined Phase Cloud 100=Liquied Water Cloud 101=Ice Cloud 110=Mixed Phase Cloud 111=TBD |
0 | 0 | 0 | 0 |
| 4 | 0 | 0 | 0 | 0 | ||
| 5 | 0 | 0 | 0 | 0 | ||
| 6 | Cloud Optical Thickness Confidence Flag | 00=Very Good 01=Good 10=Marginal 11=No Condidence or Fill |
0 | 0 | 0 | 0 |
| 7 | 0 | 1 | 0 | 0 | ||
| 8 | Cloud Effective Radius Confidence Flag | 00=Very Good 01=Good 10=Marginal 11=No Condidence or Fill |
0 | 0 | 0 | 0 |
| 9 | 1 | 0 | 0 | 0 | ||
| 10 | Cloud Top Temperature Confidence Flag | 00=Very Good 01=Good 10=Marginal 11=No Condidence or Fill |
0 | 0 | 0 | 0 |
| 11 | 0 | 0 | 1 | 0 | ||
| 12 | Subpixel Inhomogeneity Flag | 0=No, 1=Yes | 0 | 0 | 0 | 0 |
| 13 | Saturated Radiance Flag | 0=No, 1=Yes | 0 | 0 | 0 | 0 |
| 14 | Sunglint Flag | 0=No, 1=Yes | 0 | 0 | 0 | 0 |
| 15 | Spare | 0=TBD, 1=TBD | - | - | - | - |
* Bits masked by statistical processing are indicated by 1.
Please refer to here to the detail information for QA flag.
*Download:QA_flag(Ver.1,2,3)
Attribute information
How to use
- ・Physical quantity＝DN*slope + offset