Skip to content

Latest commit

 

History

History
132 lines (103 loc) · 2.31 KB

File metadata and controls

132 lines (103 loc) · 2.31 KB
PageTitle Phenology data sources
Author James Ball
Date 23/07/2020

Flux Tower Data

Metereological

  • Temperature
  • Rainfall
  • Humidity
  • Wind speed and direction
  • Radiation
    • Global incident and reflected
    • IR incident and reflected
    • PAR incident and reflected
    • Net radiation
  • Potential evapotranspiration
  • Vapour pressure deficit
  • Latent heat
  • Sensible heat

Soil

  • Soil water content (multiple depths)
  • Soil temperature
  • Soil respiration?

Productivity

  • GPP
  • Net ecosystem exchange
  • Ecosystem respiration
  • CO2 flux

PhenoCam

Waiting for access

Satellite

See MODIS-MAIAC and Sentinel-2 Airbus cloud

NASA

MODIS

  • Spatial resolution: 250m, 500m, 1km
  • 2000-present
  • 36

MODIS-MAIAC (Multi-Angle Implementation of Atmospheric Correction), developed by Lyapustin et al. (2012)

VIIRS

  • Spatial resolution: 375m and 750m
  • 2012-present

AVHRR

  • 1978 to present

ESA

Sentinel-2

  • 2015-present

SPOT

1998 - 2014

MERIS

2002-2012

Issues / correction

Processed satellite

MODIS NDVI and EVI

  • 16-day composites
  • 250m, 500m, 1km
  • 2000-present
  • Collection names: MOD12 (Terra) and MYD12 (Aqua)

VIIRS NDVI and EVI

  • 16-day composits
  • 500m, 1km, 0.05-degree
  • Best available pixel in 17-day window
  • Collection name: VNP13

MODIS LAI and fPAR

  • 4- and 8-day composites
  • 500m spatial resolution
  • Collection name: MCD15A2H (8-day), MCD15A3H (4-day)

VIIRS LAI and fPAR

  • 8-day composites
  • 500m spatial resolution
  • Collection name: VNP15

MODIS GPP

  • 8-day composite
  • 500m
  • Collection name: MCR17A2H

MODIS NPP

  • Annual
  • 500m
  • Collection name: MCD173
  • Sum of all 8-day Net Photosynthesis (PSN) products (MOD172A2H)

LSP from VIIRS

  • 10-day repeat
  • 500m
  • Collection name: MCD17VNP22
  • 12 phenological measures

Landsat products

  • 16 day repeat
  • 30m
  • NDVI, EVI, SAVI, NDMI, NBR

MEaSUREs programme

  • Making Earth system data records for use in research environments
  • Vegetration continuous fields (VCF)
    • AVHRR-derived
  • Vegetation Index and Phenology (VIP)
    • Multiple satellites

AVHRR products

  • VCF
    • Ratio of areas of vetical projection of green vegetation to ground total area
    • e.g. percentage tree cover
  • 0.05-degree resolution (5.6km)
  • Annual from 1982-2016

ESA products

  • Copernicus global land service