This website introduces stiudies made by an official of Aomori
Prefecutural Government in Japan.
Go to Japanese Page
My Name: Ryuji HANAISHI
Office: Environmental Survey and Research Division, Aomori Environmental
Management Office, Aomori Prefectural Government.
Now, I am a researcher. My studies include: measurement of chromium (+6)
in air,
accuracy control of water quality analyses, etc.
Only one topics is available in English. The others are currently under
construction.
List of Publications (Master's thesis and published 56 reports)
Download site of Excel macro for simulation of coloration of mountanous
small lake, e.g., Ao-ike Pond, Aomori Prefecture, Japan
A new verison (fast calculation version, revised on May 18, 2025) is available.
Last updated on Feb 15, 2026
Mail to rhanaishi_at_gmail.com
The above _at_ should be changed to @ and then corrspondings
will be adressed.