Table 6. Field applicability of the parameters.
| Parameters | Measurement principles | Measurement devices | Nondestructive | Remotely detectable | Automatic monitor | Continuous monitor | References |
|---|---|---|---|---|---|---|---|
| NDVI | Reflectance | Spectrometer | Y | Y | Y | Y | Cheng et al. (2009), Delegido et al. (2011), Gautam et al. (2015), Kim et al. (2019), Male et al. (2010), Penuelas et al. (1997), Ryu et al. (2014); https://handheld.psi.cz; https://www.oceaninsight.com; http://en.li-ca.com |
| EVI | |||||||
| PRI | |||||||
| NDWI | |||||||
| mNDWI | |||||||
| Chlorophyll content | Transmittance | Photodiode detector | Y | N | N | N | Süß et al. (2015), https://www.specmeters.com, https://www.konicaminolta.com |
| Pn | Absorption of infrared radiation | Infrared gas analyzer | Y | N | N | N | Paul et al. (2017), Spangler et al. (2009), https://licor.co.za |
| Gs | |||||||
| Tr | |||||||
| Y(II) | Fluorescence emission | Fluorometer | Y | N | Y | Y | Janka et al. (2015), Porcar-Castell et al. (2008), Rossini et al. (2015), https://www.walz.com; https://fluorometers.psi.cz; https://www.hansatech-instruments.com |
| Biomass | Biomass | Oven and scale | N | N | N | N | He et al. (2016), https://www.thermofisher.com |