# Information for Sensor and Index

## Formula

General Formula | $\frac{\left({\mathrm{NIR}}+0.1\right)-\left({\mathrm{SWIR}}+0.02\right)}{\left({\mathrm{NIR}}+0.1\right)+\left({\mathrm{SWIR}}+0.02\right)}$ |
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Specific Formula | $\frac{\left({5}+0.1\right)-\left({7}+0.02\right)}{\left({5}+0.1\right)+\left({7}+0.02\right)}$ |

Calculated | Automatic |

Comment |

## Sensor

Name | MODIS |
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Full Name | Moderate-resolution Imaging Spectroradiometer |

Bands | 36 |

Spectrum [nm] | 405-14385 |

Spat.Res. [m] | 250-1000 |

Inclination | 0 |

Platform | Terra / Aqua |

Operator | NASA (National Aeronautics and Space Administration) |

Date of Launch | 1999-12-18 |

Comment | Terra: Date of launch: 18 December 1999 - operating nominally in 2012 Aqua: Date of launch: 4 May 2002 - operating nominally in 2012 |

Usable for Indices | yes |

Description |

## Index

Name | Global Vegetation Moisture Index |
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Abbreviation | GVMI |

Formula | $\frac{\left({\mathrm{NIR}}+0.1\right)-\left({\mathrm{SWIR}}+0.02\right)}{\left({\mathrm{NIR}}+0.1\right)+\left({\mathrm{SWIR}}+0.02\right)}$ |

Variables | |

Expl. of Variables | |

Wavelengths | 780:1400,1400:3000 |

Source | Original formula |

Description |

## References

## Visualisation

Sensor

Index