84 lines
2.5 KiB
JSON
84 lines
2.5 KiB
JSON
|
{
|
|||
|
|
"title": "The Smoke Index Model Parameters",
|
|||
|
|
"author": "Arthur Ibay",
|
|||
|
|
"location": "Salt Lake City, UT",
|
|||
|
|
"date": "2026-07-18",
|
|||
|
|
"version": "1.0.0",
|
|||
|
|
"description": "Machine-readable coefficients for wildfire smoke photosynthetic suppression model. Maps AQI PM2.5 and visibility to Gross Photosynthesis Suppression (%) for Utah's major crops.",
|
|||
|
|
"equations": {
|
|||
|
|
"optical_depth": "τ = k × (PM2.5 / 10)^1.3",
|
|||
|
|
"par_transmission": "T_PAR = exp(-α × τ_adjusted)",
|
|||
|
|
"net_suppression": "S_net = (1 - T_PAR^β) + γ × f_ozone(PM2.5)"
|
|||
|
|
},
|
|||
|
|
"species_coefficients": {
|
|||
|
|
"alfalfa": {
|
|||
|
|
"scientific_name": "Medicago sativa",
|
|||
|
|
"k": 0.084,
|
|||
|
|
"alpha": 0.62,
|
|||
|
|
"beta": 0.85,
|
|||
|
|
"gamma": 0.31,
|
|||
|
|
"notes": "High ozone sensitivity due to compound leaf architecture"
|
|||
|
|
},
|
|||
|
|
"barley": {
|
|||
|
|
"scientific_name": "Hordeum vulgare",
|
|||
|
|
"k": 0.071,
|
|||
|
|
"alpha": 0.58,
|
|||
|
|
"beta": 0.79,
|
|||
|
|
"gamma": 0.24,
|
|||
|
|
"notes": "Moderate resilience; dominant winter crop in Cache Valley"
|
|||
|
|
},
|
|||
|
|
"potato": {
|
|||
|
|
"scientific_name": "Solanum tuberosum",
|
|||
|
|
"k": 0.095,
|
|||
|
|
"alpha": 0.71,
|
|||
|
|
"beta": 0.92,
|
|||
|
|
"gamma": 0.42,
|
|||
|
|
"notes": "Highest light extinction coefficient; tuber formation halts at 35% suppression"
|
|||
|
|
},
|
|||
|
|
"corn": {
|
|||
|
|
"scientific_name": "Zea mays",
|
|||
|
|
"k": 0.063,
|
|||
|
|
"alpha": 0.54,
|
|||
|
|
"beta": 0.73,
|
|||
|
|
"gamma": 0.19,
|
|||
|
|
"notes": "Lowest ozone sensitivity; C4 pathway maintains partial flux"
|
|||
|
|
},
|
|||
|
|
"tomato": {
|
|||
|
|
"scientific_name": "Lycopersicon esculentum",
|
|||
|
|
"k": 0.102,
|
|||
|
|
"alpha": 0.76,
|
|||
|
|
"beta": 0.96,
|
|||
|
|
"gamma": 0.48,
|
|||
|
|
"notes": "Maximum ozone sensitivity; greenhouse deployment critical above AQI 150"
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
"thresholds": {
|
|||
|
|
"critical_suppression": 0.40,
|
|||
|
|
"emergency_yield_loss": 0.60,
|
|||
|
|
"ozone_saturation_pm25": 300
|
|||
|
|
},
|
|||
|
|
"sources": [
|
|||
|
|
{
|
|||
|
|
"type": "field_trial",
|
|||
|
|
"institution": "USDA-ARS Utah Valley Agricultural Research Laboratory",
|
|||
|
|
"period": "1987-2003",
|
|||
|
|
"focus": "light extinction curves under particulate load"
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"type": "physiology_study",
|
|||
|
|
"institution": "USDA Belmont Research Center",
|
|||
|
|
"focus": "stomatal response to photochemical oxidants"
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"type": "remote_sensing",
|
|||
|
|
"source_url": "https://images.nasa.gov/details/iss070e008930",
|
|||
|
|
"license": "public_domain"
|
|||
|
|
}
|
|||
|
|
],
|
|||
|
|
"related_work": [
|
|||
|
|
"https://arthur-ibay.4ort.net/et-matrix.html",
|
|||
|
|
"https://arthur-ibay.4ort.net/van-genuchten.html",
|
|||
|
|
"https://arthur-ibay.4ort.net/duty-cycle.html"
|
|||
|
|
]
|
|||
|
|
}
|