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