Species:
Polytrichum commune
Temperature:
18.3°C
Relative Humidity:
87%
CO₂ Partial Pressure:
412 ppm
Conductance (gs):
0.34 mol·m⁻²·s⁻¹
Flux Rate:
12.7 µmol·m⁻²·s⁻¹
Status:
OPTIMAL
Subject Profile:
Runner (72kg)
VO₂ Max:
48 ml·kg⁻¹·min⁻¹
Current Pace:
5:23 km⁻¹
Heart Rate:
162 bpm
O₂ Consumption:
3,456 ml·min⁻¹
CO₂ Production:
2,891 ml·min⁻¹
Reserve Capacity:
34%
Net O₂ Flux:
+8,234 µmol·min⁻¹
CO₂ Sink Capacity:
6,421 µmol·min⁻¹
Balance Ratio:
1.28:1
Thermal Offset:
−2.4°C
Psychological Load:
LOW
System Status:
SYNCHRONIZED
FICK'S PRINCIPLE — BREATH EXCHANGE ENGINE
J = (ΔC × A × D) / Δx
Diffusive Flux Equation
J:
O₂ flux density (µmol·m⁻²·s⁻¹)
ΔC:
Concentration gradient (runner lungs − moss boundary layer)
A:
Exchange surface area (stomatal aperture × leaf mass)
D:
Diffusion coefficient (temperature-dependent)
Δx:
Boundary layer thickness (wind speed dependent)
VERIFIED
Calculation: Fick Engine v1.0
Timestamp: 2026-07-18T03:47:22Z
Source: Rothrock Sensor Array Node-7
Confidence Interval: 98.7%
No golden seam. Only method.