Observations in Mongolia The first MAHASRI\AMY workshop, January 8, 2007, Tokyo, Japan
MAHASRI activity plan in NE Asia Terrestrial Env. Research Center Tsukuba University Jun Asanuma.
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Transcript of MAHASRI activity plan in NE Asia Terrestrial Env. Research Center Tsukuba University Jun Asanuma.
![Page 1: MAHASRI activity plan in NE Asia Terrestrial Env. Research Center Tsukuba University Jun Asanuma.](https://reader035.fdocuments.net/reader035/viewer/2022070418/5697bfd01a28abf838caa98e/html5/thumbnails/1.jpg)
MAHASRI activity planin NE Asia
Terrestrial Env. Research CenterTsukuba University
Jun Asanuma
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RAISE (Rangelands Atmosphere-Hydrosphere-Biosphere Interaction Study Experiment in Northeastern Asia)
Period: 2001/12-2006/11 (Obs. 2002-: IOP 2003)
Objectives: Better understandings of the interaction between hyd
rosphere, atmosphere in the targeted region, and biosphere and human impact on it.
Target Area: upper Kherlen river basin
“snap-shot” view of hydrologic, ecological and atmospheric system of the region
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MAHASRI NE Asia activity planResearch targets :
“Interannual variability” of hydroclimatorolgy with longer-time series of broader region
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Background: Large Precipitation Variability – time & space
Annual precipitationAnnual precipitation
50-100 mm50-100 mm
300-400 mm300-400 mm
Large spatial variability
Large temporal variability
at KBU
figures by T. Sato, CCSR, Tokyo Univ
figures by H. Iwasaki, Gunma Univ.
whole Mongolia average
at KBU
2003
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Background: Strong meridional transition of vegetation
“packed” eco-tone: vulnerability
Desert
Semidesert
Short grass
Forest/Field MosaicDeciduous shrubs
figures by T. Sato, CCSR, Tokyo Univ
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Projected Decreasing Precipitation in Future
Precip [mm/mon]decrease increase
July
Method (2) RCM.hindCTL - RCM.hindWM (2070s-1990s)
decreasing precipitation
figures by T. Sato, CCSR, Tokyo Univ
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Research targetsRainfall variability (time & space)
Diurnal variation in conjuction with rainfall processinter-annual variations, intra-annual variations in conjunction with the monsoon variability
Soil moisture and vegetation control of Landsurface processes
vegetation variability, soil-moisture dynamics and their control on the landsurface processesthe response of larch forest to the external forcing
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Precipitation
Soil MoistureEvapotranspiration
Groundwater River Flow
Land surface
processes
Infiltration
Inter- and intra-annual variation of precipitation
Soil moisture and vegetation control on land surface processes
Redistribution, infiltration, river discharge and grandwater flow in semi-arid region
Vegetation
Sattelite monitoring of vegetation and soil moisture
Landsurface feedbacksResearch flow
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Observation plans 1Kherlen river basin:
monitoring continued the 2 tower sites (CEOP2 reference sites, 2007-2010)
Forest site Grassland site (KBU)
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Observation plans 2ULB region (in cooperation with IORGC):
Radar data (near ULB airport), rain gauge mesonet (will be setup)
groundwater monitoring (in cooperation with UNESCO-IHP)
Satellite monitoring of vegetation and soil moisture
validation with the surface obs.
Some data will be open to the public through CEOP 2 data archive.
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Supporting FundsNo Funds, so far.
partial support from TERC (Terrestrial Env. Research Center, Tsukuba University) project fund (FY2006-2010)Grant-in-aid for Scientific Research (FY2007-2010) submitted to JSPS (Japan Soc. for Promotion of Science)
continuing to applying ......