Exposure Testing Site Map

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Yoshimatsu Observing Station Kushikino Exposure Site Sakurajima Exposure Site Kirishima Exposure Site

Weather Data

We take weather data at each exposure site.

Item Unit Kirishima
Exposure Site		 Sakurajima
Exposure Site		 Kushikino
Exposure Site		 Yoshimatsu
Observing Station
Environment — acid
environment		 severe
acid environment		 seashore
environment		 standard
environment
Latitude — 31°41' N — — —
Longitude — 130°49' E — — —
Elevation ｍ 322 — — —
Avg. Temp. ℃ ○ — — —
Avg. Max. Temp. ℃ ○ — — —
Avg. Min. Temp. ℃ ○ — — —
Avg. Ambient RH ％ ○ — — —
Total Radiant Energy MJ/m² ○ — — —
UV Radiant Energy (300-400nm) MJ/m² ○ — — —
Amount of Rainfall ｍｍ ○ — — —
Wind Speed m/s ○ — — —
Wetting Time h ○ — — —
PH Value of Rain Water — ○ △※) △※) △※)
Ion Concentration in Rainwater
(SO4²‾,Cl‾,NO3‾)		 mg/l △※) △※) △※) △※)
Amount of Ashfalls g/m² ○ — — —
Amount of Sea salt aerosol mgNaCl/(m²･d) ○ ○ ○ ○

※)※We trap and measure rainfall in containers monthly. (We measure the containers every time it rains at the Kirishima Exposure Site.)

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Yoshimatsu Observing Station
Standard site for our evaluations and weather data,scarcely affected by volcano and sea salt particles.
[Elevation:280m]
[Distance from the sea: about 30km.]

Kushikino Exposure Site
Kushikino Exposure Site
Opening in December.
Along the East China Sea. It is in an environment of severe erosion by sea salt particles.
[Elevation:0m]
[Distance from the sea: about 30m.]

Sakurajima Exposure Site
Sakurajima Exposure Site
Located directly below Sakurajima, severe acid environment affected by volcanic gas and ashfall.
[Elevation:15m]
[Distance from the sea: about 20m.]

Kirishima Exposure Site
Kirishima Exposure Site
Main exposure site.
It is severely affected by acid rain, fog, and volcanic ash.
[Elevation:320m]
[Distance from the sea: about 2km.]