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Morita, Yoshimune*; Kamiya, Chiho*; Sasaki, Toshinori*; Miyagi, Toyohiko*; Sugai, Toshihiko; Yanagida, Makoto*; Furusawa, Akira*; Fujiwara, Osamu*
Kikan Chirigaku, 62(4), p.195 - 210, 2010/12
It is assumed that the variation of temperature and the precipitation with the climate change may affect geological environment such as the subsurface water flow. Therefore, as well as global climate change from the past to the present, investigation technology to grasp local climate change is indispensable. A palynological study was carried out using the sediment core taken from the Okute Basin, located in the northeast of Mizunami Underground Research Laboratory. As a result, it was appeared that in a interglacial epoch, there was much precipitation around this area, and that in a glacial epoch, became colder and more arid, compared with Kinki region in the same latitude. This shows that the modern analog method with pollen data from the sediment of the inland basin is effective technique to estimate a local climate change.
Morita, Yoshimune*; Kamiya, Chiho*; Sasaki, Toshinori*; Miyagi, Toyohiko*; Sugai, Toshihiko*; Yanagida, Makoto*; Furusawa, Akira*; Fujiwara, Osamu*; Moriya, Toshifumi*
Kikan Chirigaku, 58(3), p.123 - 139, 2006/00
A palynological study was carried out using the 25.3 m long sediment core taken from Okute basin, Mizunami city, central Japan. Sediments of this core were accumilated for more than ca. 300,000 years. From the results of pollen analysis, the sediments are devided into 15 pollen assemblages zones. These changes show a repetition of five warm and four cool stages. Each stage corresponds to MIS 9 to 1. Consequently, a temperature of MIS 5 was higher than those of MIS 7 and 9. A temperature of MIS 9 was not so high.
Yanagida, Makoto*; Sasaki, Toshinori*; Sato, Ken*
JNC TJ7420 2005-104, 112 Pages, 2004/03
JNC-TJ7420-2005-104.pdf:19.77MB
no abstracts in English
Yanagida, Makoto*; Sasaki, Toshinori*
JNC TJ7420 2005-057, 122 Pages, 2004/03
JNC-TJ7420-2005-057.pdf:46.07MB
None
Yanagida, Makoto*; Sasaki, Toshinori*
JNC TJ7420 2005-046, 182 Pages, 2003/03
JNC-TJ7420-2005-046.pdf:70.88MB
None
Yanagida, Makoto*; Sasaki, Toshinori*
JNC TJ7420 2005-103, 58 Pages, 2002/03
JNC-TJ7420-2005-103.pdf:13.76MB
no abstracts in English
Yanagida, Makoto*; Sasaki, Toshinori*
JNC TJ7420 2005-059, 352 Pages, 2002/03
JNC-TJ7420-2005-059.pdf:52.74MB
In order to evaluate how geological environment will be stability in the future, we estimated the change speed of the geomorphological process to be inputted into a computer model about geomorphological exchanges to an order in 100,000 years.
Yanagida, Makoto*; Sasaki, Toshinori*
JNC TJ7420 2005-061, 61 Pages, 2001/03
JNC-TJ7420-2005-061.pdf:6.34MB
no abstracts in English
Yanagida, Makoto*; Sasaki, Toshinori*
JNC TJ7420 2005-021, 135 Pages, 2001/03
This investigations' object is to clarify geomorphological processes within areas berween terraces and mountains.
Yanagida, Makoto*; Sasaki, Toshinori*
JNC TJ7420 2005-058, 127 Pages, 2000/03
JNC-TJ7420-2005-058.pdf:19.47MB
no abstracts in English
Yanagida, Makoto*; Sasaki, Toshinori*
JNC TJ7420 2005-062, 186 Pages, 1999/03
JNC-TJ7420-2005-062.pdf:52.03MB
no abstracts in English
Iwamori, Akiyuki*; Takagi, Hideo*; Shimada, Koji; Asahi, Nobutaka*; Sugimori, Tatsuji*; Sasaki, Toshinori*; Aiyama, Kotaro*
no journal, ,
no abstracts in English
