Evaluation of nutrient flux from Shiretoko into the ocean using MRI-GCM
July 31st, 2011
Keisuke Nakayama, Aynur Abuliz, Tosiyuki Nakaegawa and Yasuyuki Maruya
Release Date: July 31, 2011
Evaluation of nutrient flux from Shiretoko into the ocean using MRI-GCM
Keisuke Nakayama1), Aynur Abuliz1), Tosiyuki Nakaegawa2) and Yasuyuki Maruya1)
1) Department of Civil and Environmental Engineering, Kitami Institute of Technology
2) Climate Research Department, Meteorological Research Institute
(Received: February 23, 2010)
(Accepted for publication: July 29, 2011)
Abstract:
This study aims to evaluate nutrient flux to the coast from the inland areas of Shiretoko in order to understand the key factors controlling the ecological systems of the coast. As an external force, rainfall is considered one of the most significant components controlling nutrient supply to coastal systems in this area. Therefore, to estimate nutrient supply in the future, the bias correction was applied by using Meteorological Research Institute Global Climate Model, which shows good agreement with Automated Meteorological Data Acquisition System data. A synthetic generation technique is used to produce hourly rainfall data, which is necessary for evaluating nutrient supply in Shiretoko. The robustness of the duplicated hourly rainfall intensity was investigated, which reveals that its standard deviation controls nutrient flux when nonlinearity becomes stronger for the evaluation of nutrient supply from a river basin.
To cite this article:
Keisuke Nakayama, Aynur Abuliz, Tosiyuki Nakaegawa and Yasuyuki Maruya: “Evaluation of nutrient flux from Shiretoko into the ocean using MRI-GCM”, Hydrological Research Letters, Vol. 5, pp.47-51, (2011) .
doi:10.3178/hrl.5.47
JOI JST.JSTAGE/hrl/5.47
Copyright (c) 2011 Japan Society of Hydrology and Water Resources