Study on Surface Heat Budget of Various Pavements for Urban Heat Island Mitigation

Table 2

Outline of observation instrument.

Element	Instrument and accuracy
Global solar radiation and infrared radiation	Eko, MR-50, 6%
Wind direction and velocity	Prede, O34S, 0.1 m/s (WS), 1% (WD)
Air temperature and relative humidity	Espec, RS-12, ±0.3°C, ±5%
Precipitation	Eko, NW-010, 0.5 mm
Surface temperature	Exergen, IRt/c.1X, ±2%
Surface and inner temperature	T-type thermocouple
Heat flow	Eko, MF-180M
Weight	Weighting
Downward/upward and short-wave/long-wave radiation	Kipp & Zonen, CPR-CNR1, ±10%
Surface temperature distribution	Avio, TVS-600