Table 2. Remotely sensed data and derived products commonly used in epidemiology.
These are all global products, and researchers can obtain subsets for their study area. See S1 Text for details.
| 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]