SAITO  Genya

YONEZAWA  Chinatsu

English

application/pdf紀要類 (bulletin)1461620 bytesdepartmental bulletin pape

SAITO, Genya

YONEZAWA, Chinatsu

Tohoku University Repository (TOUR) / 東北大学機関リポジトリ

Research Topics of Agricultural Remote Sensing著者 SAITO  Genya, YONEZAWA  Chinatsujournal orpublication titleTohoku journal of agricultural researchvolume 60number 1-2page range 63-68year 2009-12URL http://hdl.handle.net/10097/41182Tohoku Joumalof AgriculturalR朗earChVo1. 60 No. 1-2, December 2009Pn'ntd in JapanResearch Topics of A色ricultural Remote Sensin色Genya SAITO and Chinatsu YoNEZAWARemote Se-'ng Labwatovy, Graduate School of Agrhltural Sbience,Tohoku Univers8ty(Received, September 2, 2009)SummaryTerra/ASTER has highresolution, large band numbers, stereoscopic abilityand about 10 years observations･ The reglOnalchiuaCteristics of agriculture wereinvested using the satellitx! data･ Most of the paddyfields areuniforn by repeatedcultivation, and upland fhmingfields show large diuerences on bare soil and highvegetation for the crop rotation･ The Shonai Plains is typicalpaddy丘elds area inJapan, and has well-developed irrlgation and drainage systcns･ SacramentValley, Ca1ifomi&, USA isalso a very famous comnercialrice producing area･ Atthe area,the size of each paddyfield isalmost t冶n times l町gerthan Japanese largepaddyfield･ Withregard to upland farming fields, TokaDhi Plain has Smaller sizefield than Denver area in USA.I ntro ductio nRemote Sensing Laboratory, Gradllate School of AgriCulturalScience, Toho-kll tJniversity started in April 2004. At first, for the research and edllCation atthe laboratory, we are developing the analysis and storage systx!m of remotesensing and GIS data (Saito et al･, 2007, 2008). The hardware of the systemconsists of ordinary PCs, one digiti2:er and one color laser printer. The PCs areassembled by llSforthe optimal perfomance and low costand connected toGigabit LAN･ The operating system was Windows 2000 at the starting periodand now is Windows XP･ The software of the system has ARC/GIS a8 GISsoftware and many kinds of Remotxt Sensing 80ftware suoh as, ERDAS/Imagine,ENVI, eCognition, PG-Steamer and SILCAST･ Next, mainly uslngthe System,we research on Agrioultllraland Grassland Monitoring (Saito et al., 2005 ; Fukuoet al･, 2008), Land Use Analysis (Kunii and Saito, 2009), I)igitalField Center(Saito et all, 2009), and LocalCharacteristics for Agriculture. The last one isimportant and an interesting subject, and we introdllCe the subject.Terra/ASTER has highresolution, large band numbers and stereoscopioability･ Using the advantages, the reglOnalchracteristics of agriculture have6364 a. Saito and a. Yonezawabeen investigated using Terra/ASTER since 4 years ago in our laboratory.Determination of A色ricultural Characteristicsin Each Country Usin色Terra/Aster DataPaddy Field AnalysisPaddyricefields analysts is started at first, we analyze five areas in Asia andone area in America, as follows ; 1) The Shonai Plains in Japan, 2) The YangtzeRiver delta in M二iddle-East China, 3) North-East Thai Plains, Thailand, 4)Mekong Delta in South Vietnam, 5) Thimphu area, Bhutan 6) Sacrament Val11ey, California, USA･ We perfomalmost same procedures at the six areas･First, we make I)EM and orth-image from ASTER IA data, and next, we makemany color composite images ipcluding 3D images･ Usingthe color.compositeim年geS, agriculturalcharacteristics are extracted, and summarized in Table 1.Table1. 0haruterisぬof Each Paddy FieldLocation T.R,eoyianpaLy Gsreowwinng Fsiiezled sFizlpdeShonai, Japan Mountainous Summer Middle All RectangleMW-China, China　　Almost Flat Summer Middle Irregular & RectangleNE-Thai, Thailand Very Flat Rainy Small Almost IrregularFIG･ l･ Paddyfields in Japan and USA (SWIR image, Dark : water)Research Topics of Agricultural Remote Sensing　　　　65The image of the Shonai Plains in Japanand that of Sacrament (Central) Valley,Califomia, USA are listed in Fig･ 1'and color composite is R･G.B-red, nearinfrared, short wave infrared･ The ShonaiPlains (Fig･ 1, Left) is typical paddyfields area in Japan,and has well-developed irrigation and drainage systems･The Yangtze River delta in Middle-East China is a famous paddy fields area in theworld and recently fishpond area-is increased. North-East ThaiPlainesand thearea of Mekong I)elta in South Vietnam are famous to produce exporting nce･ Atthe area, there is enoughtemperature, but a limitation factor of rice growth iswater･ North-East Thai Plains has severe dry season, and at the season, ricecannot growl Mekong I)elta area is adjacent to SouthChina Sea and the mouthof the Mekong River･ At the area, rice grows not only in the ralny Season butalso in the dry season･ Bhutanis a smalland mountainous country･ There arevery small paddy fields in Thimphu area in Bhutan･ Sacrament Valley (Fig･ 1,Right), Califomia, USA is孟lso a very famous commemialrice producing area. Atthe area, the size of each paddyfield isalmost ten times larger thanJapanese largepaddyfield･ We can easily understand that it is very di氏cult to make thericeat same cost in Japan and USA.Upland Farming F盲eld AnalysisTargets areas are 1) Tokachi Plain at Hokkaido in Japan, 2) Riyadh area inFIG･ 2･ Agriculturalfields in Japan and USA (NIR image,White : Vegetation)66 G. Saito and a. YonezawaTabk 2･ Characteristics of Each Agrhltural FieldLocation T.Rpe.yioan,aLy Fsi:led sFi:1,deTokachi, JapanRiyadh area, SaudiAnabiaJordan Valley, JordanVienna, Åust,riaBretagne hera, FranceBuenos Aires, ArgentinaDenver, USAMountainousFlatMountainousMountainousFlat.Very FlatVery FlatSmall　　　　All RectangleLarge Almost CircleSznall Irreguhr & RectangleMiddle　　　Almost IrregularMiddle lrregul乱rLarge　　　Almost RectangleLarge Rectangle and CycleSaudi Arabia, 3) Jordan basin in Jordan, 4) Bretagne area in France, 5) Viennaarea inAnstria and 6) Denver area in USA･ In manyAsian countries,'main cropis f･addyrice, and at most of Japanese plains, rice paddy is main land use.Hokknido Island in Japanis on high1atitude and it is dincult to makericebecause of low temperature･ Upland farmlng lS a main subject at Tokachi Plain.Fig･ 2 left is the ASTER image of Tokachi Plain, and color composite is R･G･B -red, near infrared, short wave infrared･ In Riyadh area, rainfall is 25 mm/year.It is very severe in water supply and irrigation systems are necessary･ Most of thearea is bare soil, and vegetation area is very small onlywithin irrigated area･Jordan basin has low rainfall of 270 mm/year and ha貞 rain from January to Marchinwinter season･ Main products arewinter wheat and barley, vegetables, andfruits･ At Bretagne area in France,field size isalmost same to Tokachi area inJapan･Anstria is a mountainous country and only eastxm part has plain･ Atthe area, cereals, fruits and vegetables are produced･ Colorado State in USA is apart of the Great Plains whose elevation is from 1,000も0 2,000 m･ Main喝rlCul-turalproducts are com, soybean, wheat,and cotton. Fig. 2right is the ASTERimage of I)enver area in Colorado State, USA･ The elevation of the image areais from 1,500 tx) 1,700 m by ASTER DEM･ Field sizes are larger thanother areassuch as Tokachi Plain, Vienna area, Jordan basin and Bretagne area･ There arepivot irrigation syst冶nS in the images･ The information is suⅡ皿arized at Table2.ReferencesFukn0, A., T･ Akiyam&, W･ Mo, K･ Kawamura, Z. Chen and a. Saito (2008)Spectraldetection of grazing degradation in the XilingoI Steppe,hner Mongolia･ Joumalof Integrated Field Science, Vol1 5, pp 29140.Kunii, I)･ and G･ Saitx) (2009) Rel如ionships between Land tJse and RiverNutrient in t,he River Basins of KitakamiRiver and lshikariRiverResearch Topics of Agricultural Remote SensingUsing Remote Sensing and GIS, Journalof Integrated Field Science,Vol. 6, pp 59-70.Saito, G･, M･ IIanayam&, K･ Osawa and FI Namiwa (2007) A System Develop-ment for Remote Sensing, and lntxBrpretation for Rice Fields in theWorld Using Satellite Data, Joumalof lntegrated Field Science, vol.4, pp 93-99.Saito, G･, Ⅰ･ Nagatani, S･ Ogawaand XI Song (2005) Agricultural MonitoringUsing Satellit冶Data/J. Agric. Metx'orol., Vol. 60(5), 375-378.Saito, G･, F･ Namiwa, DI Kunii, K･lmai and T. Sugihara (2008) EducationalFramework of Remotx! Sensing for Field Science Center, TohokuUniversity, The lntemationalArchives of the Photogrametry,Remote Senslng and SpatialInformation Sciences, ISPRS CongressBeijing 2008, ⅩⅩⅩVII Part B6&, pp 29-32.Saith, G･, F･ Namiwa, I)･ Kunii, K.lmaiand T. Sugihara (2009) Studies forAgriculturalEnvironments using Remote Sensing and GIS-Deve1-0pmentS of I)igitalField Science Center-, TohoknJollmalofAgriCulturalRese虻Ch, vol. 59 (3-4), pp 1291136.67

Research Topics of Agricultural Remote Sensing

https://tohoku.repo.nii.ac.jp/?action=repository_action_common_download&item_id=65575&item_no=1&attribute_id=18&file_no=1

Research Topics of Agricultural Remote Sensing

Abstract

Similar works

Full text

Available Versions

Tohoku University Repository (TOUR) / 東北大学機関リポジトリ