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  • One of the possibilities offered to us by the remote sensing, is to monitor all the vegetation. Therefore agricultural plants can be monitor as well. From the spectral point of view, the presence of vegetation induces a significant increase of reflectance in IR part of the spectra. The main topic of this research project was to evaluate the changes in reflectance in chosen agriculturally used land in time. A field (61 ha) which belongs to University agriculture enterprise in Žabčice was chosen as an experimental area for our project. Aerial photography was done by mid-format camera Hasselbland H1 in two spectral bands (RED, 630-690 nm a NIR, 750-900 nm) and in the following time periods: June 2004 (twice), July 2005 and May 2006. Based on these data, we were able to create an orthophotomap (pixel size = 10 x 10 m), determine NDVI and calculate a correlation between the reflectance of both spectral bands within the period of monitoring. In the case of winter wheat, a high dependence (correlation fact
  • One of the possibilities offered to us by the remote sensing, is to monitor all the vegetation. Therefore agricultural plants can be monitor as well. From the spectral point of view, the presence of vegetation induces a significant increase of reflectance in IR part of the spectra. The main topic of this research project was to evaluate the changes in reflectance in chosen agriculturally used land in time. A field (61 ha) which belongs to University agriculture enterprise in Žabčice was chosen as an experimental area for our project. Aerial photography was done by mid-format camera Hasselbland H1 in two spectral bands (RED, 630-690 nm a NIR, 750-900 nm) and in the following time periods: June 2004 (twice), July 2005 and May 2006. Based on these data, we were able to create an orthophotomap (pixel size = 10 x 10 m), determine NDVI and calculate a correlation between the reflectance of both spectral bands within the period of monitoring. In the case of winter wheat, a high dependence (correlation fact (en)
  • Jednou z možností, které poskytuje dálkový průzkum Země (DPZ), je sledování vegetace, do které patří i zemědělské rostliny. Použití DPZ v zemědělství je lákavé, ale přináší řadu problémů. Již od počátku sledování zemědělských plodin prostředky DPZ byla snaha vytvořit katalog, charakterizující jednotlivé plodiny v určité fenofázi. Vzhledem k množství vlivů ovlivňujících odrazové vlastnosti rostlin, je téměř nemožné stanovit jejich hodnoty obecně platné. Pro řešení projektu byl zvolen pozemek ŠZP Žabčice (Czech Republic, 48°59'11.N 16°37'40. E, 175 m n.m.), který hospodaří v kukuřičné výrobní oblasti. Velikost sledovaného pozemku byla 50 ha. Na základě zkušeností a z důvodu srovnatelnosti výsledků s jinými výzkumy bylo provedeno v letech 2004 -- 2006 snímkování ve dvou spektrálních pásmech (RED, 630-690 nm a NIR, 750-900 nm) a ve dvou termínech -- konec května až začátek června a konec června až začátek července. Snímkování provedla firma Geodis letadlem Z-37A Čmelák, který je vybaven digitální kamero (cs)
Title
  • Variability of NDVI agricultural used areas
  • Variability of NDVI agricultural used areas (en)
  • Proměnlivost NDVI zemědělsky využívaných ploch (cs)
skos:prefLabel
  • Variability of NDVI agricultural used areas
  • Variability of NDVI agricultural used areas (en)
  • Proměnlivost NDVI zemědělsky využívaných ploch (cs)
skos:notation
  • RIV/62156489:43210/08:00129088!RIV09-MSM-43210___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • V
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 402296
http://linked.open...ai/riv/idVysledku
  • RIV/62156489:43210/08:00129088
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Land Cover; Land Use; Remote sensing; History; Agriculture (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [48AB03A8445B]
http://linked.open...i/riv/mistoVydani
  • Beijing
http://linked.open...i/riv/nazevZdroje
  • The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Pospíšil, Jiří
  • Šafář, Václav
  • Ždímal, Václav
issn
  • 1682-1750
number of pages
http://purl.org/ne...btex#hasPublisher
  • International Society for Photogrammetry and Remote Sensing
http://localhost/t...ganizacniJednotka
  • 43210
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