USGS Landsat 7 Collection 1 Tier 1 TOA Reflectance [deprecated]

Blue

Green

Red

Near infrared

Shortwave infrared 1

Low-gain Thermal Infrared 1. This band has expanded dynamic range and lower radiometric resolution (sensitivity), with less saturation at high Digital Number (DN) values. Resampled from 60m to 30m.

High-gain Thermal Infrared 1. This band has higher radiometric resolution (sensitivity), although it has a more restricted dynamic range. Resampled from 60m to 30m.

Shortwave infrared 2

Panchromatic

Landsat Collection 1 QA Bitmask ( See Landsat QA page )

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

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

Tier of scene. (T1 or T2)

Number of collection.

Internal calibration bias method for band 1.

Internal calibration bias method for band 2.

Internal calibration bias method for band 3.

Internal calibration bias method for band 4.

Internal calibration bias method for band 5.

Internal calibration bias method for band 6_VICD_1.

Internal calibration bias method for band 6_VICD_2.

Internal calibration bias method for band 7.

Internal calibration bias method for band 8.

Internal calibration gain method for band 1.

Internal calibration gain method for band 2.

Internal calibration gain method for band 3.

Internal calibration gain method for band 4.

Internal calibration gain method for band 5.

Internal calibration gain method for band 6_VCID_1.

Internal calibration gain method for band 6_VCID_2.

Internal calibration gain method for band 7.

Internal calibration gain method for band 8.

Calibration parameter file name.

Current data category assigned to the data. Possible values: ("NOMINAL", "VALIDATION", "EXCHANGE", "TEST", "ENGINEERING")

Data type identifier. (L1T or L1G)

Image acquisition date. "YYYY-MM-DD"

Datum used in image creation.

Earth sun distance in astronomical units (AU).

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

Ellipsoid used in image creation.

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

File date in milliseconds since epoch.

Gain state for Band 1. (L = Low gain, H = High)

Gain state for Band 2. (L = Low gain, H = High)

Gain state for Band 3. (L = Low gain, H = High)

Gain state for Band 4. (L = Low gain, H = High)

Gain state for Band 5. (L = Low gain, H = High)

Gain state for Band 6 VCID_1. (L = Low gain, H = High)

Gain state for Band 6 VCID_2. (L = Low gain, H = High)

Gain state for Band 7. (L = Low gain, H = High)

Gain state for Band 8. (L = Low gain, H = High)

Presence and direction of gain change for Band 1 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Presence and direction of gain change for Band 2 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Presence and direction of gain change for Band 3 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Presence and direction of gain change for Band 4 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Presence and direction of gain change for Band 5 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Presence and direction of gain change for Band 6 VCID_1 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Presence and direction of gain change for Band 6 VCID_2 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Presence and direction of gain change for Band 7 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Presence and direction of gain change for Band 8 (LL = no change, HH = no change, LH = low to high, HL = high to low, U = Unknown).

Scan line number where the first change in Band 1 gain was detected.

Scan line number where the first change in Band 2 gain was detected.

Scan line number where the first change in Band 3 gain was detected.

Scan line number where the first change in Band 4 gain was detected.

Scan line number where the first change in Band 5 gain was detected.

Scan line number where the first change in Band 6 VCID 1 gain was detected.

Scan line number where the first change in Band 6 VCID 2 gain was detected.

Scan line number where the first change in Band 7 gain was detected.

Scan line number where the first change in Band 8 gain was detected.

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

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

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

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

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

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

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).

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

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

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

Calibration K1 constant for Band 6 VCID 1 radiance to temperature conversion.

Calibration K1 constant for Band 6 VCID 2 radiance to temperature conversion.

Calibration K2 constant for Band 6 VCID 1 radiance to temperature conversion.

Calibration K2 constant for Band 6 VCID 2 radiance to temperature conversion.

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)

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

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

L0RA map projection selectively applied to HDTs based on geographic location. Used for processed archive data.

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

Number of product lines for the panchromatic band.

Number of product samples for the panchromatic bands.

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

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

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

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

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

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

Additive rescaling factor used to convert calibrated DN to radiance for Band 6 VCID 1.

Additive rescaling factor used to convert calibrated DN to radiance for Band 6 VCID 2.

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

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

Maximum achievable spectral radiance value for Band 1.

Maximum achievable spectral radiance value for Band 2.

Maximum achievable spectral radiance value for Band 3.

Maximum achievable spectral radiance value for Band 4.

Maximum achievable spectral radiance value for Band 5.

Maximum achievable spectral radiance value for Band 6 VCID 1.

Maximum achievable spectral radiance value for Band 6 VCID 2.

Maximum achievable spectral radiance value for Band 7.

Maximum achievable spectral radiance value for Band 8.

Minimum achievable spectral radiance value for Band 1.

Minimum achievable spectral radiance value for Band 2.

Minimum achievable spectral radiance value for Band 3.

Minimum achievable spectral radiance value for Band 4.

Minimum achievable spectral radiance value for Band 5.

Minimum achievable spectral radiance value for Band 6 VCID 1.

Minimum achievable spectral radiance value for Band 6 VCID 2.

Minimum achievable spectral radiance value for Band 7.

Minimum achievable spectral radiance value for Band 8.

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

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

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

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

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

Multiplicative rescaling factor used to convert calibrated Band 6 VCID 1 DN to radiance.

Multiplicative rescaling factor used to convert calibrated Band 6 VCID 2 DN to radiance.

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

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

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

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

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

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

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

Additive rescaling factor used to convert calibrated Band 7 DN to reflectance.

Additive rescaling factor used to convert calibrated Band 8 DN to reflectance.

Maximum achievable spectral reflectance value for Band 1.

Maximum achievable spectral reflectance value for Band 2.

Maximum achievable spectral reflectance value for Band 3.

Maximum achievable spectral reflectance value for Band 4.

Maximum achievable spectral reflectance value for Band 5.

Maximum achievable spectral reflectance value for Band 7.

Maximum achievable spectral reflectance value for Band 8.

Minimum achievable spectral reflectance value for Band 1.

Minimum achievable spectral reflectance value for Band 2.

Minimum achievable spectral reflectance value for Band 3.

Minimum achievable spectral reflectance value for Band 4.

Minimum achievable spectral reflectance value for Band 5.

Minimum achievable spectral reflectance value for Band 7.

Minimum achievable spectral reflectance value for Band 8.

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

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

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

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

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

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

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

Number of product lines for the reflective bands.

Number of product samples for the reflective bands.

Request id, nnnyymmdd0000_0000

• nnn = node number
• yy = year
• mm = month
• dd = day

Resampling option used in creating the image.

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

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

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

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

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

Flag indicating saturated pixels for band 6 VCID 1 ('Y'/'N')

Flag indicating saturated pixels for band 6 VCID 2 ('Y'/'N')

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

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

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 used to capture data.

Operational mode. Scan Angle Monitor (SAM) or BUMPER.

Spacecraft identification.

Ground Station/Organisation that received the data.

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

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

Number of product lines for the thermal band.

Number of product samples for the thermal band.

UTM zone number used in product map projection.

The WRS orbital path number (001 - 251).

Landsat satellite WRS row (001-248).