Google Earth Engine ——LANDSAT8——RAW系列数据

2024-05-24 08:59:00 浏览数 (2)

Landsat 8 DN值，代表按比例、校准的传感器辐射度。

截至2017年5月1日，美国地质调查局不再生产预收集的Landsat，因此这个收集已经完成。请切换到基于集合1的数据集。更多信息请参见该文档页面。

Dataset Availability

2013-04-11T00:00:00 - 2017-04-30T00:00:00

Dataset Provider

USGS

Collection Snippet

ee.ImageCollection("LANDSAT/LC8")

Bands Table

Name

Description

Resolution

Wavelength

B1

Coastal aerosol

30 meters

0.43 - 0.45 µm

B2

Blue

30 meters

0.45 - 0.51 µm

B3

Green

30 meters

0.53 - 0.59 µm

B4

Red

30 meters

0.64 - 0.67 µm

B5

Near infrared

30 meters

0.85 - 0.88 µm

B6

Shortwave infrared 1

30 meters

1.57 - 1.65 µm

B7

Shortwave infrared 2

30 meters

2.11 - 2.29 µm

B8

Band 8 Panchromatic

15 meters

0.52 - 0.90 µm

B9

Cirrus

15 meters

1.36 - 1.38 µm

B10

Thermal infrared 1, resampled from 100m to 30m

30 meters

10.60 - 11.19 µm

B11

Thermal infrared 2, resampled from 100m to 30m

30 meters

11.50 - 12.51 µm

BQA

Landsat Collection 1 QA Bitmask ([See Landsat QA page](https://www.usgs.gov/land-resources/nli/landsat/landsat-collection-1-level-1-quality-assessment-band))

30 meters

BQA Bitmask

Bit 0: Designated Fill 0: No1: YesBit 1: Terrain Occlusion 0: No1: YesBits 2-3: Radiometric Saturation 0: No bands contain saturation1: 1-2 bands contain saturation2: 3-4 bands contain saturation3: 5 or more bands contain saturationBit 4: Cloud 0: No1: YesBits 5-6: Cloud Confidence 0: Not Determined / Condition does not exist.1: Low, (0-33 percent confidence)2: Medium, (34-66 percent confidence)3: High, (67-100 percent confidence)Bits 7-8: Cloud Shadow Confidence 0: Not Determined / Condition does not exist.1: Low, (0-33 percent confidence)2: Medium, (34-66 percent confidence)3: High, (67-100 percent confidence)Bits 9-10: Snow / Ice Confidence 0: Not Determined / Condition does not exist.1: Low, (0-33 percent confidence)2: Medium, (34-66 percent confidence)3: High, (67-100 percent confidence)Bits 11-12: Cirrus Confidence 0: Not Determined / Condition does not exist.1: Low, (0-33 percent confidence)2: Medium, (34-66 percent confidence)3: High, (67-100 percent confidence)

  • Bit 0: Designated Fill
    • 0: No
    • 1: Yes
  • Bit 1: Terrain Occlusion
    • 0: No
    • 1: Yes
  • Bits 2-3: Radiometric Saturation
    • 0: No bands contain saturation
    • 1: 1-2 bands contain saturation
    • 2: 3-4 bands contain saturation
    • 3: 5 or more bands contain saturation
  • Bit 4: Cloud
    • 0: No
    • 1: Yes
  • Bits 5-6: Cloud Confidence
    • 0: Not Determined / Condition does not exist.
    • 1: Low, (0-33 percent confidence)
    • 2: Medium, (34-66 percent confidence)
    • 3: High, (67-100 percent confidence)
  • Bits 7-8: Cloud Shadow Confidence
    • 0: Not Determined / Condition does not exist.
    • 1: Low, (0-33 percent confidence)
    • 2: Medium, (34-66 percent confidence)
    • 3: High, (67-100 percent confidence)
  • Bits 9-10: Snow / Ice Confidence
    • 0: Not Determined / Condition does not exist.
    • 1: Low, (0-33 percent confidence)
    • 2: Medium, (34-66 percent confidence)
    • 3: High, (67-100 percent confidence)
  • Bits 11-12: Cirrus Confidence
    • 0: Not Determined / Condition does not exist.
    • 1: Low, (0-33 percent confidence)
    • 2: Medium, (34-66 percent confidence)
    • 3: High, (67-100 percent confidence)

数据属性：

Name

Type

Description

BPF_NAME_OLI

String

The file name for the Bias Parameter File (BPF) used to generate the product, if applicable. This only applies to products that contain OLI bands.

BPF_NAME_TIRS

String

The file name for the Bias Parameter File (BPF) used to generate the product, if applicable. This only applies to products that contain TIRS bands.

CLOUD_COVER

Double

Percentage cloud cover (0-100), -1 = not calculated.

CLOUD_COVER_LAND

Double

Percentage cloud cover over land (0-100), -1 = not calculated.

COLLECTION_CATEGORY

String

Tier of scene. (T1 or T2)

COLLECTION_NUMBER

Double

Number of collection.

CPF_NAME

String

Calibration parameter file name.

DATA_TYPE

String

Data type identifier. (L1T or L1G)

DATE_ACQUIRED

String

Image acquisition date. "YYYY-MM-DD"

DATUM

String

Datum used in image creation.

EARTH_SUN_DISTANCE

Double

Earth sun distance in astronomical units (AU).

ELEVATION_SOURCE

String

Elevation model source used for standard terrain corrected (L1T) products.

ELLIPSOID

String

Ellipsoid used in image creation.

EPHEMERIS_TYPE

String

Ephemeris data type used to perform geometric correction. (Definitive or Predictive)

FILE_DATE

Double

File date in milliseconds since epoch.

GEOMETRIC_RMSE_MODEL

Double

Combined Root Mean Square Error (RMSE) of the geometric residuals (metres) in both across-track and along-track directions measured on the GCPs used in geometric precision correction. Not present in L1G products.

GEOMETRIC_RMSE_MODEL_X

Double

RMSE of the X direction geometric residuals (in metres) measured on the GCPs used in geometric precision correction. Not present in L1G products.

GEOMETRIC_RMSE_MODEL_Y

Double

RMSE of the Y direction geometric residuals (in metres) measured on the GCPs used in geometric precision correction. Not present in L1G products.

GRID_CELL_SIZE_PANCHROMATIC

Double

Grid cell size used in creating the image for the panchromatic band.

GRID_CELL_SIZE_REFLECTIVE

Double

Grid cell size used in creating the image for the reflective band.

GRID_CELL_SIZE_THERMAL

Double

Grid cell size used in creating the image for the thermal band.

GROUND_CONTROL_POINTS_MODEL

Double

The number of ground control points used. Not used in L1GT products. Values: 0 - 999 (0 is used for L1T products that have used Multi-scene refinement).

GROUND_CONTROL_POINTS_VERSION

Double

The number of ground control points used in the verification of the terrain corrected product. Values: -1 to 1615 (-1 = not available)

IMAGE_QUALITY

Double

Image quality, 0 = worst, 9 = best, -1 = quality not calculated

IMAGE_QUALITY_OLI

Double

The composite image quality for the OLI bands. Values: 9 = Best. 1 = Worst. 0 = Image quality not calculated. This parameter is only present if OLI bands are present in the product.

IMAGE_QUALITY_TIRS

Double

The composite image quality for the TIRS bands. Values: 9 = Best. 1 = Worst. 0 = Image quality not calculated. This parameter is only present if OLI bands are present in the product.

K1_CONSTANT_BAND_10

Double

Calibration K1 constant for Band 10 radiance to temperature conversion.

K1_CONSTANT_BAND_11

Double

Calibration K1 constant for Band 11 radiance to temperature conversion.

K2_CONSTANT_BAND_10

Double

Calibration K2 constant for Band 10 radiance to temperature conversion.

K2_CONSTANT_BAND_11

Double

Calibration K2 constant for Band 11 radiance to temperature conversion.

LANDSAT_PRODUCT_ID

String

The naming convention of each Landsat Collection 1 Level-1 image based on acquisition parameters and processing parameters. Format: LXSS_LLLL_PPPRRR_YYYYMMDD_yyyymmdd_CC_TX * L = Landsat * X = Sensor (O = Operational Land Imager, T = Thermal Infrared Sensor, C = Combined OLI/TIRS) * SS = Satellite (08 = Landsat 8) * LLLL = Processing Correction Level (L1TP = precision and terrain, L1GT = systematic terrain, L1GS = systematic) * PPP = WRS Path * RRR = WRS Row * YYYYMMDD = Acquisition Date expressed in Year, Month, Day * yyyymmdd = Processing Date expressed in Year, Month, Day * CC = Collection Number (01) * TX = Collection Category (RT = Real Time, T1 = Tier 1, T2 = Tier 2)

LANDSAT_SCENE_ID

String

The Pre-Collection naming convention of each image is based on acquisition parameters. This was the naming convention used prior to Collection 1. Format: LXSPPPRRRYYYYDDDGSIVV * L = Landsat * X = Sensor (O = Operational Land Imager, T = Thermal Infrared Sensor, C = Combined OLI/TIRS) * S = Satellite (08 = Landsat 8) * PPP = WRS Path * RRR = WRS Row * YYYY = Year of Acquisition * DDD = Julian Day of Acquisition * GSI = Ground Station Identifier * VV = Version

MAP_PROJECTION

String

Projection used to represent the 3-dimensional surface of the earth for the Level-1 product.

NADIR_OFFNADIR

String

Nadir or Off-Nadir condition of the scene.

ORIENTATION

String

Orientation used in creating the image. Values: NOMINAL = Nominal Path, NORTH_UP = North Up, TRUE_NORTH = True North, USER = User

PANCHROMATIC_LINES

Double

Number of product lines for the panchromatic band.

PANCHROMATIC_SAMPLES

Double

Number of product samples for the panchromatic bands.

PROCESSING_SOFTWARE_VERSION

String

Name and version of the processing software used to generate the L1 product.

RADIANCE_ADD_BAND_1

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 1.

RADIANCE_ADD_BAND_10

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 10.

RADIANCE_ADD_BAND_11

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 11.

RADIANCE_ADD_BAND_2

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 2.

RADIANCE_ADD_BAND_3

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 3.

RADIANCE_ADD_BAND_4

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 4.

RADIANCE_ADD_BAND_5

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 5.

RADIANCE_ADD_BAND_6

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 6.

RADIANCE_ADD_BAND_7

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 7.

RADIANCE_ADD_BAND_8

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 8.

RADIANCE_ADD_BAND_9

Double

Additive rescaling factor used to convert calibrated DN to radiance for Band 9.

RADIANCE_MULT_BAND_1

Double

Multiplicative rescaling factor used to convert calibrated Band 1 DN to radiance.

RADIANCE_MULT_BAND_10

Double

Multiplicative rescaling factor used to convert calibrated Band 10 DN to radiance.

RADIANCE_MULT_BAND_11

Double

Multiplicative rescaling factor used to convert calibrated Band 11 DN to radiance.

RADIANCE_MULT_BAND_2

Double

Multiplicative rescaling factor used to convert calibrated Band 2 DN to radiance.

RADIANCE_MULT_BAND_3

Double

Multiplicative rescaling factor used to convert calibrated Band 3 DN to radiance.

RADIANCE_MULT_BAND_4

Double

Multiplicative rescaling factor used to convert calibrated Band 4 DN to radiance.

RADIANCE_MULT_BAND_5

Double

Multiplicative rescaling factor used to convert calibrated Band 5 DN to radiance.

RADIANCE_MULT_BAND_6

Double

Multiplicative rescaling factor used to convert calibrated Band 6 DN to radiance.

RADIANCE_MULT_BAND_7

Double

Multiplicative rescaling factor used to convert calibrated Band 7 DN to radiance.

RADIANCE_MULT_BAND_8

Double

Multiplicative rescaling factor used to convert calibrated Band 8 DN to radiance.

RADIANCE_MULT_BAND_9

Double

Multiplicative rescaling factor used to convert calibrated Band 9 DN to radiance.

REFLECTANCE_ADD_BAND_1

Double

Additive rescaling factor used to convert calibrated Band 1 DN to reflectance.

REFLECTANCE_ADD_BAND_2

Double

Additive rescaling factor used to convert calibrated Band 2 DN to reflectance.

REFLECTANCE_ADD_BAND_3

Double

Additive rescaling factor used to convert calibrated Band 3 DN to reflectance.

REFLECTANCE_ADD_BAND_4

Double

Additive rescaling factor used to convert calibrated Band 4 DN to reflectance.

REFLECTANCE_ADD_BAND_5

Double

Additive rescaling factor used to convert calibrated Band 5 DN to reflectance.

REFLECTANCE_ADD_BAND_7

Double

Multiplicative factor used to convert calibrated Band 7 DN to reflectance.

REFLECTANCE_ADD_BAND_8

Double

Multiplicative factor used to convert calibrated Band 8 DN to reflectance.

REFLECTANCE_ADD_BAND_9

Double

Minimum achievable spectral reflectance value for Band 8.

REFLECTANCE_MULT_BAND_1

Double

Multiplicative factor used to convert calibrated Band 1 DN to reflectance.

REFLECTANCE_MULT_BAND_2

Double

Multiplicative factor used to convert calibrated Band 2 DN to reflectance.

REFLECTANCE_MULT_BAND_3

Double

Multiplicative factor used to convert calibrated Band 3 DN to reflectance.

REFLECTANCE_MULT_BAND_4

Double

Multiplicative factor used to convert calibrated Band 4 DN to reflectance.

REFLECTANCE_MULT_BAND_5

Double

Multiplicative factor used to convert calibrated Band 5 DN to reflectance.

REFLECTANCE_MULT_BAND_6

Double

Multiplicative factor used to convert calibrated Band 6 DN to reflectance.

REFLECTANCE_MULT_BAND_7

Double

Multiplicative factor used to convert calibrated Band 7 DN to reflectance.

REFLECTANCE_MULT_BAND_8

Double

Multiplicative factor used to convert calibrated Band 8 DN to reflectance.

REFLECTANCE_MULT_BAND_9

Double

Multiplicative factor used to convert calibrated Band 9 DN to reflectance.

REFLECTIVE_LINES

Double

Number of product lines for the reflective bands.

REFLECTIVE_SAMPLES

Double

Number of product samples for the reflective bands.

REQUEST_ID

String

Request id, nnnyymmdd0000_0000 * nnn = node number * yy = year * mm = month * dd = day

RESAMPLING_OPTION

String

Resampling option used in creating the image.

RLUT_FILE_NAME

String

The file name for the Response Linearization Lookup Table (RLUT) used to generate the product, if applicable.

ROLL_ANGLE

Double

The amount of spacecraft roll angle at the scene center.

SATURATION_BAND_1

String

Flag indicating saturated pixels for band 1 ('Y'/'N')

SATURATION_BAND_10

String

Flag indicating saturated pixels for band 10 ('Y'/'N')

SATURATION_BAND_11

String

Flag indicating saturated pixels for band 11 ('Y'/'N')

SATURATION_BAND_2

String

Flag indicating saturated pixels for band 2 ('Y'/'N')

SATURATION_BAND_3

String

Flag indicating saturated pixels for band 3 ('Y'/'N')

SATURATION_BAND_4

String

Flag indicating saturated pixels for band 4 ('Y'/'N')

SATURATION_BAND_5

String

Flag indicating saturated pixels for band 5 ('Y'/'N')

SATURATION_BAND_6

String

Flag indicating saturated pixels for band 6 ('Y'/'N')

SATURATION_BAND_7

String

Flag indicating saturated pixels for band 7 ('Y'/'N')

SATURATION_BAND_8

String

Flag indicating saturated pixels for band 8 ('Y'/'N')

SATURATION_BAND_9

String

Flag indicating saturated pixels for band 9 ('Y'/'N')

SCENE_CENTER_TIME

String

Scene center time of acquired image. HH:MM:SS.SSSSSSSZ * HH = Hour (00-23) * MM = Minutes * SS.SSSSSSS = Fractional seconds * Z = "Zulu" time (same as GMT)

SENSOR_ID

String

Sensor used to capture data.

SPACECRAFT_ID

String

Spacecraft identification.

STATION_ID

String

Ground Station/Organisation that received the data.

SUN_AZIMUTH

Double

Sun azimuth angle in degrees for the image center location at the image centre acquisition time.

SUN_ELEVATION

Double

Sun elevation angle in degrees for the image center location at the image centre acquisition time.

TARGET_WRS_PATH

Double

Nearest WRS-2 path to the line-of-sight scene center of the image.

TARGET_WRS_ROW

Double

Nearest WRS-2 row to the line-of-sight scene center of the image. Rows 880-889 and 990-999 are reserved for the polar regions where it is undefined in the WRS-2.

THERMAL_LINES

Double

Number of product lines for the thermal band.

THERMAL_SAMPLES

Double

Number of product samples for the thermal band.

TIRS_SSM_MODEL

String

Due to an anomalous condition on the Thermal Infrared Sensor (TIRS) Scene Select Mirror (SSM) encoder electronics, this field has been added to indicate which model was used to process the data. (Actual, Preliminary, Final)

TIRS_SSM_POSITION_STATUS

String

TIRS SSM position status.

TIRS_STRAY_LIGHT_CORRECTION_SOURCE

String

TIRS stray light correction source.

TRUNCATION_OLI

String

Region of OLCI truncated.

UTM_ZONE

Double

UTM zone number used in product map projection.

WRS_PATH

Double

The WRS orbital path number (001 - 251).

WRS_ROW

Double

Landsat satellite WRS row (001-248).

使用说明：

Landsat datasets are federally created data and therefore reside in the public domain and may be used, transferred, or reproduced without copyright restriction.

Acknowledgement or credit of the USGS as data source should be provided by including a line of text citation such as the example shown below.

(Product, Image, Photograph, or Dataset Name) courtesy of the U.S. Geological Survey

Example: Landsat-7 image courtesy of the U.S. Geological Survey

See the USGS Visual Identity System Guidance for further details on proper citation and acknowledgement of USGS products.

Landsat数据集是联邦创建的数据，因此属于公共领域，可以在没有版权限制的情况下使用、转让或复制。

对美国地质调查局作为数据来源的确认或信用，应通过包括一行文字引用来提供，如下面的例子。

(产品、图像、照片或数据集名称）由美国地质调查局提供。

例子。Landsat-7图像由美国地质调查局提供

请参阅美国地质调查局视觉识别系统指南，了解有关美国地质调查局产品的正确引用和鸣谢的进一步细节。

代码：

代码：

代码语言：javascript复制
var dataset = ee.ImageCollection('LANDSAT/LE07/C01/T1_ANNUAL_RAW')
                  .filterDate('1999-01-01', '2002-12-31');
var visParams = {
  min: 0,
  max: 255,
  gamma: 1.2,
  bands: ['B3', 'B2', 'B1'],
};
Map.setCenter(24.236, -28.941, 6);
Map.addLayer(dataset, visParams, 'LANDSAT/LE07/C01/T1_ANNUAL_RAW');
代码语言：javascript复制
var dataset = ee.ImageCollection('LANDSAT/LE07/C01/T1_8DAY_RAW')
                  .filterDate('1999-01-01', '2002-12-31');
var visParams = {
  min: 0,
  max: 255,
  gamma: 1.2,
  bands: ['B3', 'B2', 'B1'],
};
Map.setCenter(24.236, -28.941, 6);
Map.addLayer(dataset, visParams, 'LANDSAT/LE07/C01/T1_8DAY_RAW');
代码语言：javascript复制
var dataset = ee.ImageCollection('LANDSAT/LE07/C01/T1_32DAY_NDWI')
                  .filterDate('1999-01-01', '2002-12-31');
var colorized = dataset.select('NDWI');
var colorizedVis = {
  min: 0.0,
  max: 1.0,
  palette: ['0000ff', '00ffff', 'ffff00', 'ff0000', 'ffffff'],
};
Map.setCenter(6.746, 46.529, 6);
Map.addLayer(colorized, colorizedVis, 'Colorized');
数据 add double google string

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