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Volume 4 (1991)
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Volume 4, Issue 4
Displaying 1-11 of 11 articles from this issue
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[in Japanese]1991 Volume 4 Issue 4 Pages 1-2
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
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[in Japanese]1991 Volume 4 Issue 4 Pages 3-7
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
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Problems in Hydrology Described Stochastic Differential EquationsT.E. Unny1991 Volume 4 Issue 4 Pages 9-18
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
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[in Japanese]1991 Volume 4 Issue 4 Pages 19-22
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
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[in Japanese]1991 Volume 4 Issue 4 Pages 23-30
Published: December 20, 1991
Released on J-STAGE: February 10, 2010
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(3) Using the Model for Landuse ManagementSahid SUSANTO, Yoshihiro KAIDA1991 Volume 4 Issue 4 Pages 31-40
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
JOURNAL FREE ACCESSThe Tropical hydrology simulation model 1 (Trophydsim-1) was used in the Kali Progo river basin, Central Java, Indonesia to simulate the effect on water regime of different modes of watershed management. Five scenarios representing extreme conditions of landuse and four more realistic scenarios of landuse management were considered. The results show that the model is sensitive enough as a hydrology simulator to predict the effect of rapid changes of landuse pattern on water regime. The hydrological implications of landuse management in the river basin due to changes in landuse patterns manifested by the irrigation water availability and river flow regime are presented.View full abstractDownload PDF (4588K) -
Masatoshi SHIDAWARA1991 Volume 4 Issue 4 Pages 41-47
Published: December 20, 1991
Released on J-STAGE: February 10, 2010
JOURNAL FREE ACCESSMTI filter which wipes off ground clutter included in echo signal of the radar rain gauge of Ministry of Construction Japan is said to have the defect that its output might be suppressed for rain echoes near the radar site. By the use of rain rate data of two radars, Gozaisho and Jatooge, a function to correct this side effect of MTI is proposed. For 1987 rains corrected rader rain rates of two radars show better correlation with each other, but the correlation of rain rates of radar and of ground rain gauges was little improved. For 1989 data the correction makes correlation of radar rain rates worse. This fact suggests that under certain climate conditions like typhoon MTI output suppression might disappear.View full abstractDownload PDF (320K) -
Toru NAKAMURA, Takeshi YAMAZAKI, Junsei KONDO1991 Volume 4 Issue 4 Pages 49-53
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
JOURNAL FREE ACCESSThe amount of snowmelt in the basin of the Tadami River having an area of 702.3km2 was estimated by a heat balance method (Kondo and Yamazaki, 1990). The value of 50-100mmd-1 was obtained for snowmelt season. The estimated value of snowmelt was compared with the observed inflow data to the dam. The difference between the estimated and the observed values is ±10-20mmd-1 at most. It is considered that this difference is mainly due to the error of the estimated area-averaged meteorological data using for the heat balance method. It is especialy important to obtain the area-averaged radiation data.View full abstractDownload PDF (294K) -
[in Japanese]1991 Volume 4 Issue 4 Pages 65-70
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
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[in Japanese], [in Japanese], [in Japanese]1991 Volume 4 Issue 4 Pages 75
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
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[in Japanese]1991 Volume 4 Issue 4 Pages 76
Published: December 20, 1991
Released on J-STAGE: October 22, 2009
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