112 lines
3.1 KiB
JSON
112 lines
3.1 KiB
JSON
{
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"metadata": {
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"title": "Hampton Field Guide — Soil Survey of the Virginia Peninsula",
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"author": "Cathy Mcmasters",
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"location": {
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"city": "Hampton",
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"state": "Virginia",
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"latitude_degrees": 37.0567,
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"longitude_degrees": -76.3767,
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"elevation_meters_amsl": 4
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},
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"survey_date": "2026-07-20",
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"version": "1.0"
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},
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"soil_taxonomy": {
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"classification": "Fine-loamy, siliceous, semiactive, thermic Typic Paleudults",
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"texture_class": "Clay Loam",
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"composition_percentages": {
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"clay_min": 24,
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"clay_max": 35,
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"sand_min": 45,
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"sand_max": 50,
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"silt_remainder": true
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},
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"ph_saturation_extract": {
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"value": 5.8,
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"uncertainty": 0.3
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},
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"cation_exchange_capacity_cmol_per_kg": {
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"min": 12,
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"max": 18
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},
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"organic_matter_percent_topsoil": 2.1,
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"drainage_class": "Moderately Well-Drained",
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"percolation_rate_mm_per_minute": 1.2
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},
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"thermal_properties": {
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"thermal_conductivity_w_per_m_K": {
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"value": 1.42,
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"condition": "15% volumetric water content",
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"source": "NASA Langley 1984"
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},
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"volumetric_heat_capacity_J_per_m3_K": {
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"value": 2300000,
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"scientific_notation": "2.3e6",
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"source": "ASTM C518"
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},
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"thermal_diffusivity_m2_per_s": {
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"value": 6.17e-7,
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"derived_from": "lambda / (rho_cp)",
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"calculation": "1.42 / 2.3e6"
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},
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"annual_surface_temperature_swing_Celsius": {
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"value": 28.4,
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"source": "NOAA NCEI normals 1991-2020"
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},
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"root_cellar_depth_solution": {
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"formula": "d = sqrt(alpha * tau / pi)",
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"tau_days": 365.25,
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"computed_depth_meters": 2.17
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}
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},
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"flora_inventory_zone_7b": [
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{
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"species": "Rosmarinus officinalis",
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"cultivar": "Prostratus",
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"trait": "drought-resistant",
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"survival_rate_percent": 85
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},
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{
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"species": "Salvia officinalis",
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"cultivar": "Purpurascens",
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"requirement": "12-hour photoperiod for essential oil synthesis"
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},
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{
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"species": "Mentha spicata",
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"cultivar": "Moroccan Mint",
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"containment_note": "invasive rhizome containment required"
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},
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{
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"species": "Origanum vulgare",
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"cultivar": "Greek Mountain Oregano",
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"edaphic_requirement": "calcicole, pH 6.2+"
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},
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{
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"species": "Foeniculum vulgare",
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"cultivar": "Florence",
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"vernalization_requirement": "72 days @ 4°C"
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}
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],
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"seismic_baseline": {
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"regional_hazard_profile": "Low-to-Moderate (New Madrid attenuation)",
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"peak_ground_acceleration_g": 0.08,
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"probability_horizon_years": 50,
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"probability_percent": 2,
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"horizontal_displacement_angle_degrees": {
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"formula": "theta = arctan(PGA/g)",
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"value": 4.58
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},
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"effective_depth_correction": {
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"formula": "D_eff = D / cos(theta)",
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"reference": "seismic-amendment.html"
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}
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},
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"cross_references": {
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"taylor_farms_protocol": "protocol-taylor.html",
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"root_cellar_calculator": "root-cellar-calculator.html",
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"seismic_amendment": "seismic-amendment.html",
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"archive_of_clay_film": "/films/archive-of-clay/"
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}
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}
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