Table 2. Remotely sensed data and derived products commonly used in epidemiology.
Sensor | Data product | Variable | Pixel size/resolution (square) | Temporal resolution |
---|---|---|---|---|
AVHRR | GIMMS NDVI3g | NDVI | 8 km | 10-day (since 1981) |
Pathfinder | NDVI | 8 km | 10-day (since 1981) | |
Pathfinder | MIR | 8 km | 10-day (since 1981) | |
Pathfinder | LST | 8 km | 10-day (since 1981) | |
TFA (Pathfinder) | NDVI | 8 km | 1981 to 2001 | |
TFA (Pathfinder) | MIR | 8 km | 1981 to 2001 | |
TFA (Pathfinder) | LST | 8 km | 1981 to 2001 | |
MODIS | Vegetation index | NDVI, EVI | 250 m to 1 km | 16-day |
LST & emissivity | LST | 1 km | Daily/8-day | |
SPOT VGT | Vegetation index | NDVI | 1 km | 10-day (since 1998) |
AVHRR | IGBP DISCover | Land cover | 1 km | 1992 to 1993 |
AVHRR | UMd | Land cover | 1 km | 1992 to 1993 |
SPOT VGT | GLC2000 | Land cover | 1 km | 2000 |
MERIS | GlobCover | Land cover | 300 m | 12/2004 to 6/2006 |
GlobCover 2009 | Land cover | 300 m | 2009 | |
MODIS | Landcover | Land cover | 500 m | Annual |
WFI CBERS-1/2/2B | - | Red, NIR | 260 m | 5 days, 10/1999 to 6/2010 |
IRMSS CBERS-1/2/2B | - | Pan, SWIR | 80 m | 26 days, 10/1999 to 6/2010 |
- | TIR | 160 m | 26 days, 10/1999 to 6/2010 | |
CCD CBERS-1/2/2B | - | Pan, VNIR | 20 m | 26 days, 10/1999 to 6/2010 |
HRC CBERS-2B | - | Pan | 2.7 m | 130 days, 9/2007 to 6/2010 |
WIFICAM CBERS-4 | - | VNIR | 64 m | 5 days since 12/2014 |
IRSCAM CBERS-4 | - | Pan, NIR, SWIR | 40 m | 26 days since 12/2014 |
- | TIR | 80 m | 26 days since 12/2014 | |
MUXCam CBERS-4 | - | NIR | 20 m | 26 days, 10/1999 to 6/2010 |
PANMUX CBERS-4 | - | Pan | 5 m | 52 days since 12/2014 |
- | VNIR | 10 m | 52 days since 12/2014 | |
Landsat 8 OLI | - | VNIR, SWIR | 30 m | 16-day repetivity (since 2013) |
- | Panchromatic | 15 m | 16-day repetivity (since 2013) | |
Landsat 8 TIS | - | TIR | 100 m | 16-day repetivity (since 2013) |
Landsat | GlobeLand30 | Land cover | 30 m | 2000 and 2010 |
ASTER | GDEM2 | Elevation | 1 arc-second (approx. 30 m) | Updated periodically |
SRTM SIR-C | SRTM DEM v. 3.0 | Elevation | 3 arc-second (approx. 90 m) | Flown February 2000 |
TFA: Temporal Fourier Analysis summary [17]
AVHRR: Advanced Vary High Resolution Radiometer
GIMMS NDVI3g: Global Inventory Modeling and Mapping Studies NDVI v3 [41]
Pathfinder product [42]
SPOT VGT: SPOT Vegetation
MERIS: Medium Resolution Imaging Spectrometer
MODIS: Moderate Resolution Imaging Spectroradiometer
ASTER: Advanced Spaceborne Thermal Emission and Reflection Radiometer
Red/V/SWIR/LWIR: red/visible/short-wave infrared/long-wave infrared portion of the electromagnetic spectrum
IGBP DISCover: International Geosphere Biosphere Program DISCover global land cover map [43]
UMd: University of Maryland global land cover map [44]
GLC2000: Global Landcover Map 2000 [45]
Globcover [46]
WFI: Wide Field Imager Camera
IRMSS: Infrared Multispectral Scanner Camera
CCD: (high resolution) Charge Couple Device camera (HRCC)
WFICAM: Wide Field Imager Camera (sometimes referred to as WFI or AWFI)
IRSCAM: Infrared Medium Resolution Scanner (sometimes referred to as IRMSS or IRS)
MUXCam: Multispectral Camera
PANMUX: Panchromatic and Multispectral Camera
OLI: Operational Land Imager
TIS: Thermal Infrared Sensor
TIR: Thermal infrared portion of the electromagnetic spectrum
GlobeLand30 [50]
GDEM2: Global Digital Elevation Model v. 2.0 [51]
SRTM: Shuttle Radar Topography Mission v. 3.0 [52]