Review Article
Remote Sensing of Aboveground Biomass in Tropical Secondary Forests: A Review
Table 2
Remote sensing data used in the studies reviewed.
| | Sensor | Data used | Spatial resolution | Cost | Number of case studies |
| | LANDSAT/MSS, TM, and ETM+ | 6 optical bands | 30 m | Low | 12 | | USGS/LIDAR | Airborne laser altimeter | 1.2–25 m | Very high | 8 | | AIRSAR* | Radar X, C, L, and P band | 1.5–10 m | High | 5 | | SAR/JERS-1 | 7 optical bands and radar L band | 18 to 24 m | Low | 5 | | ALOS Palsar/AVNIR-2 | Radar L band and 4 optical bands | 4.8 m to 9.6 m | Medium | 4 | | IKONOS/IKONOS | 4 optical bands | 4 m | High | 4 | | SPOT-5/HRS | 5 optical bands | 2.5 to 5 m | High | 3 | | Terra/MODIS | 7 optical bands | 250 to 500 m | Low | 2 | | NOAA/AVHRR | 5 optical bands | 1.1 Km | Low | 2 | | SIR-C | X, C, and L bands | 15 to 25 m | Medium | 2 | | GLAS/ICEsat | Laser altimeter satellite | 0.75 to 75 m | High | 1 | | Quickbird/Quickbird | 4 optical bands | 2.4 m | High | 1 | | EO-1/Hyperion | 220 optical bands | 30 m | Very high | 1 | | NASA/QuikSCAT | Radar L and P bands | 12 m | Medium | 1 | | Aerial photographs | RGB true color composite | — | High | 1 | | CHRIS/PROBA | 62 optical bands | 18 m | Medium | 1 | | VHR Google | RGB true color composite | 1 m | Low | 1 | | HYDICE** | 210 optical bands | 0.75 to 3.75 m | Very high | 1 | | ERS-1 | Radar X band | 25 | Medium | 1 | | TropiSAR | Radar L and P bands | 1.2 | Very high | 1 |
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AIRSAR: airborne synthetic-aperture radar.
**HYDICE: hyperspectral digital imagery collection experiment.
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