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Volume 1 (1988)
- Issue 1 Pages 1-
Volume 1, Issue 1
Displaying 1-9 of 9 articles from this issue
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[in Japanese]1988 Volume 1 Issue 1 Pages 1-2
Published: December 28, 1988
Released on J-STAGE: October 22, 2009
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[in Japanese]1988 Volume 1 Issue 1 Pages 3-8
Published: December 28, 1988
Released on J-STAGE: February 10, 2010
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[in Japanese], [in Japanese]1988 Volume 1 Issue 1 Pages 9-47
Published: December 28, 1988
Released on J-STAGE: October 22, 2009
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[in Japanese]1988 Volume 1 Issue 1 Pages 49-52
Published: December 28, 1988
Released on J-STAGE: October 22, 2009
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Tomio Asai1988 Volume 1 Issue 1 Pages 53-61
Published: December 28, 1988
Released on J-STAGE: October 22, 2009
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1988 Volume 1 Issue 1 Pages 63-67
Published: December 28, 1988
Released on J-STAGE: October 22, 2009
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Yosihisa ANDO, Takeshi CHIKU, Hiroyuki YASUIKE1988 Volume 1 Issue 1 Pages 69-73
Published: December 28, 1988
Released on J-STAGE: February 10, 2010
JOURNAL FREE ACCESSThis paper shows that the daily long-term runoff model with snow component proposed by Ando et al. has a high adaptability to real basin (Ogohchi Dam basin).View full abstractDownload PDF (198K) -
Takehiko OHTA1988 Volume 1 Issue 1 Pages 75-82
Published: December 28, 1988
Released on J-STAGE: February 10, 2010
JOURNAL FREE ACCESSThe storm runoff process is discussed using groundwater table fluctuation data collected during heavey storm events in an area of teatiary hills. Before the collection, the soil structure was surveyed using a hammer-driven impact-type penetrometer. A “hydrological base” on which saturated throughflow takes place was drawn using the survey, and its characteristics are discussed. The storm event data show that the process of generation and development of the saturated zone on the hydrological base is similar to the variable source area concept, which describes the generation and development of saturated overland flow. The former process seems to be more common on steep forested slopes. Therefore, instead of the variable source area concept, the variable source volume (space) concept (in which the role of saturated throughflow is emphasized) is presented as a storm runoff mechanism on forested slopes.View full abstractDownload PDF (8802K) -
Kyoichi OTSUKI1988 Volume 1 Issue 1 Pages 83-93
Published: December 28, 1988
Released on J-STAGE: February 10, 2010
JOURNAL FREE ACCESSFirst, some concepts of evapotranspiration based on Penman's method, and the results reported about the complementary method are summarised. Secondly, applicability of the complementary method to the estimation of watershed evapotranspiration is examined. The Brutsaert-Stricker method is modified by introducing the advection term, and multipling the dryness index to the aerodynamic term, and used in the examination. Evapotranspiration of the Tatsunokuchi watershed in Okayama prefecture was estimated by the complementary method and the water budget method using the data collected in the watershed. The results show that the estimated values of monthly evapotranspiration by the two methods are generally in agreement. But, the complementary method could not estimate the evapotranspiration decrease during the drought at the summer season of 1973 and 1978. It is suggested that by modifying the estimation method of net radiation to consider the dryness would increase the accuracy of the complementry method. The estimation results of the 5 experimental watersheds show that the complementary method used in this paper gives the most accurate estimate of average annual evapotranspiration as compared to the presently used method.View full abstractDownload PDF (1921K)
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