| Input Variables | Unit | Dataset |
|---|---|---|
| Weather variables | NEX-GDDP_CMIP6 | |
| Daily maximum temperature (TMAX) | °C | Ready-tas |
| Daily minimum temperature (TMIN) | °C | Ready-tasmin |
| Daily rainfall amount (RAIN) | Mm | Ready-pr |
| Daily solar radiation (SRAD) | MJ m−2 day−1 | To be ready -rsds |
| Soil characteristics | GFDL-ESM4 | |
| Atmospheric CO2 concentration | Ppm | |
| Fraction of plant available water-holding capacity in considered soil bucket (AWC) | — | |
| Runoff curve number (RCN) | — | |
| Deep drainage coefficient (DDC) | — | |
| Active main root zone depth (RZD) | Mm | |
| Crop management variables | ||
| Sowing date (SowingDate) | — | Used the paper data |
| Harvesting date (HarvestDate) | — | From |
| Irrigation (Irri) | Mm | From local |
| Initial variables | ||
| Initial biomass (InitialBio) | Kg | From table |
| Initial cumulative temperature (InitialTT) | °C d | |
| Initial fraction of solar radiation interception (InitialFsolar) | — |
Weekly Report 4
Monday 06/17 to Wednsday 06/26
Highlights
CO2 assumed 400 for all months of the year.
- Data availably -> Monthly and in 100 \(km^2\)
rsds downloaded and imported from NEX-GDDP-CMIP6
created CSV for all the inputs
- they should be for each year.
- Preperation done for year 1980
- they should be for each year.
List of .CSV files:
- weather_$year.csv
- Soil-$year.csv
- Crop-Management
- Crop-Parameters
- Initial-Parameters
Designed the input funtion
- Input: the dataset directories
- Output: all of the SIMPLE model inputs
Studies on ARID:
- 1: extreme water deficit (drought)
- 0: water demand is met
Soil parameters added to the input
Equations for Water Available for the plant:
- the book
- the github diagram
- the paper
Data required by the SIMPLE model:
Table 1 extracted from Zhao et al. (2019)
Questions from the SIMPLE model:
- How Sco2 and Swater are obtained?
- What is the function for PAW
References
Zhao, Chuang, Bing Liu, Liujun Xiao, Gerrit Hoogenboom, Kenneth J. Boote, Belay T. Kassie, Willingthon Pavan, et al. 2019. “A SIMPLE Crop Model.” European Journal of Agronomy 104: 97–106. https://doi.org/https://doi.org/10.1016/j.eja.2019.01.009.