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Table 1: Overview of the input data required for the AgDMP product
Data required | Static or dynamic | Source | Size |
C3S meteorological data | Daily updates required for real- time operations | ERA-Interim 2000-2018 through | 110 mb / day |
Copernicus GLS FAPAR | Dekadal updates required for real- | Copernicus Global Land Service. 1 km product 2000-June 2020. Aggregated | 10Gb / dekad |
Crop calendars | Assumed to be static although changes in farm management over the years may be present in reality |
| 500 Mb |
Crop masks | Assumed to be static but distribution of crops may change over time. |
| 500 Mb |
Crop parameters | Static but optimized on local crop calendar and climate | WOFOST and LINTUL crop parameter database | 1 Mb |
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Table 2: Daily variables provided by the MARSOP4 ERA-Interim and AgERA5 datasets. Variables which are used by the current version of AgDMP are marked in italics.
Variable | Description | Unit |
temperature_max | Maximum temperature | C |
temperature_min | Minimum temperature | C |
temperature_avg | Average temperature | C |
vapourpressure | Average vapour pressure | hPa |
windspeed | Average windspeed at 10m | m/sec |
precipitation | Total precipitation | mm |
e0 | Penman open water evaporation | mm |
es0 | Penman bare soil evaporation | mm |
et0 | Penman-Monteith reference evapotranspiration | mm |
radiation | Total incoming short-wave radiation | kJ/m2/day |
snowdepth | Snow depth | cm |
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- The crop calendars provided by the Center for Sustainability and the Global Environment (SAGE) of the University of Wisconsin-Madison described by Sacks et al. (2010) and available from http://nelson.wisc.edu/sage/data-and-models/crop-calendar-dataset/index.php.
- The crop calendars from the Global Agro-ecological Zonation (GAEZ) as provided by the FAO (http://www.fao.org/nr/gaez/en/) and described by Fischer et al. (2021).
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Table 3: Crop parameters used by the CSSF crop simulation model.
Parameter name | Description | Type | Remark |
CO2TB | Effect of CO2 on Light use efficiency | T | |
CVL | Conversion efficiency for leaves | S | |
CVO | Conversion efficiency for storage organs | S | |
CVR | Conversion efficiency for roots | S | |
CVS | Conversion efficiency for stems | S | |
DLC | Critical day length | S | Not used |
DLO | Optimal day length | S | Not used |
DTSMTB | Temperature response function for phenology | T | |
DVSEND | DVS at harvest | S | Defaults to 2.0 |
DVSI | Initial DVS | S | Defaults to zero |
FLTB | Partitioning table for leaves as function of development stage | T | |
FOTB | Partitioning table for storage organs as function of development stage | T | |
FRTB | Partitioning table for roots as function of development stage | T | |
FSTB | Partitioning table for stems as function of development stage | T | |
IDSL | Switch for enabling day length effect on phenological development | S | |
RUETB | Radiation use efficiency as function of development stage | T | |
TBASEM | Base temperature for emergence | S | |
TEFFMX | Maximum effective temperature for emergence | S | |
TMNFTB | Response for function for assimilation on low temperature | T | |
TMNFTB | Response for function for assimilation on daytime temperature | T | |
TSUM1 | Temperature sum from emergence to flowering | S | |
TSUM2 | Temperature sum for flowering to maturity | S | |
TSUMEM | Temperature sum for sowing to emergence | S |
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