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社区首页 >专栏 >Google Earth Engine ——MODOCGA V6海洋反射率产品由Terra MODIS 8-16波段的1公里反射率数据1km

Google Earth Engine ——MODOCGA V6海洋反射率产品由Terra MODIS 8-16波段的1公里反射率数据1km

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发布2024-02-02 11:05:46
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发布2024-02-02 11:05:46
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The MODOCGA V6 ocean reflectance product consists of 1 kilometer reflectance data from Terra MODIS bands 8-16. The product is referred to as ocean reflectance, because bands 8-16 are used primarily to produce ocean products, but this is not an ocean product as the tiles produced are land tiles.

Documentation:

MODOCGA V6海洋反射率产品由Terra MODIS 8-16波段的1公里反射率数据组成。该产品被称为海洋反射率,因为8-16波段主要用于生产海洋产品,但这并不是一个海洋产品,因为生产的瓦片是陆地瓦片。

Dataset Availability

2000-02-24T00:00:00 - 2021-09-20T00:00:00

Dataset Provider

NASA LP DAAC at the USGS EROS Center

Collection Snippet

ee.ImageCollection("MODIS/006/MODOCGA")

Resolution

1000 meters

Bands Table

Name

Description

Min

Max

Wavelength

Scale

num_observations

Number of observations per pixel

0

127

0

sur_refl_b08

MODIS band 8 surface reflectance

-100

16000

405-420nm

0.0001

sur_refl_b09

MODIS band 9 surface reflectance

-100

16000

438-448nm

0.0001

sur_refl_b10

MODIS band 10 surface reflectance

-100

16000

483-493nm

0.0001

sur_refl_b11

MODIS band 11 surface reflectance

-100

16000

526-536nm

0.0001

sur_refl_b12

MODIS band 12 surface reflectance

-100

16000

546-556nm

0.0001

sur_refl_b13

MODIS band 13 surface reflectance

-100

16000

662-672nm

0.0001

sur_refl_b14

MODIS band 14 surface reflectance

-100

16000

673-683nm

0.0001

sur_refl_b15

MODIS band 15 surface reflectance

-100

16000

743-753nm

0.0001

sur_refl_b16

MODIS band 16 surface reflectance

-100

16000

862-877nm

0.0001

QC_b8_15_1km

Band quality for MODIS bands 8-15

0

QC_b8_15_1km Bitmask

Bits 0-3: Band 8 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or cloudsBits 4-7: Band 9 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or cloudsBits 8-11: Band 10 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or cloudsBits 12-15: Band 11 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or cloudsBits 16-19: Band 12 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or cloudsBits 20-23: Band 13 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or cloudsBits 24-27: Band 14 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or cloudsBits 28-31: Band 15 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or clouds

QC_b16_15_1km

Band quality for MODIS band 16

0

QC_b16_15_1km Bitmask

Bits 0-3: Unused 0: N/ABits 4-7: Band 16 data quality 0: Highest quality7: Noisy detector8: Dead detector; data interpolated in L1B9: Solar zenith ≥ 86 degrees10: Solar zenith ≥ 85 and < 86 degrees11: Missing input12: Internal constant used in place of climatological data for at least one atmospheric constant13: Correction out of bounds pixel constrained to extreme allowable value14: L1B data faulty15: Not processed due to deep ocean or clouds

orbit_pnt

Pointer to the orbit of each observation

0

15

0

granule_pnt

Pointer to the granule of each observation

0

254

  • Bits 0-3: Band 8 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds
  • Bits 4-7: Band 9 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds
  • Bits 8-11: Band 10 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds
  • Bits 12-15: Band 11 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds
  • Bits 16-19: Band 12 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds
  • Bits 20-23: Band 13 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds
  • Bits 24-27: Band 14 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds
  • Bits 28-31: Band 15 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds

QC_b16_15_1kmBand quality for MODIS band 160QC_b16_15_1km Bitmask

  • Bits 0-3: Unused
    • 0: N/A
  • Bits 4-7: Band 16 data quality
    • 0: Highest quality
    • 7: Noisy detector
    • 8: Dead detector; data interpolated in L1B
    • 9: Solar zenith ≥ 86 degrees
    • 10: Solar zenith ≥ 85 and < 86 degrees
    • 11: Missing input
    • 12: Internal constant used in place of climatological data for at least one atmospheric constant
    • 13: Correction out of bounds pixel constrained to extreme allowable value
    • 14: L1B data faulty
    • 15: Not processed due to deep ocean or clouds

orbit_pntPointer to the orbit of each observation0150granule_pntPointer to the granule of each observation0254

使用说明:

MODIS data and products acquired through the LP DAAC have no restrictions on subsequent use, sale, or redistribution.

数据引用:

Please visit LP DAAC 'Citing Our Data' page for information on citing LP DAAC datasets.

LP DAAC - MODOCGA

代码:

代码语言:javascript
复制
var dataset = ee.ImageCollection('MODIS/006/MODOCGA')
                  .filter(ee.Filter.date('2018-01-01', '2018-05-01'));
var falseColor =
    dataset.select(['sur_refl_b11', 'sur_refl_b10', 'sur_refl_b09']);
var falseColorVis = {
  min: 0.0,
  max: 2000.0,
};
Map.setCenter(6.746, 46.529, 2);
Map.addLayer(falseColor, falseColorVis, 'False Color');
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