Essays about: "Vegetation Indices"

Showing result 26 - 30 of 65 essays containing the words Vegetation Indices.

  1. 26. Sjukdomsidentifiering i potatis och stråsäd med luftburna multispektrala sensorer

    University essay from SLU/Dept. of Soil and Environment

    Author : Martin Holmberg; [2017]
    Keywords : höstvete; bladmögel; svartpricksjuka; UAS; Solanum tuberosum; Triticum aestivum;

    Abstract : Potato (Solanum tuberosum L.) and winter wheat (Triticum aestivum L. READ MORE

  3. 27. Study of radiometric variations in Unmanned Aerial Vehicle remote sensing imagery for vegetation mapping

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Maria Ximena Tagle Casapia; [2017]
    Keywords : vegetation mapping; UAV; radiometric correction; vegetation indices; GEM; Earth and Environmental Sciences;

    Abstract : Unmanned Aerial Vehicles (UAVs) provide a flexible method for acquiring high-resolution imagery with relative simple operation and cost-effectiveness. This technology emerged 30 years ago and it is widely used by commercial, scientific, and military communities due to its versatility. However, new technology brings new challenges. READ MORE

  4. 28. Precisionsodling av vall : sensormätning som analysredskap för proteininnehåll och skörd

    University essay from SLU/Dept. of Soil and Environment

    Author : Emma Hellstedt; [2017]
    Keywords : sensormätning; hyperspektral; vegetationsindex; NDVI; GNDVI; SR; blandvall; gräsvall; PLS; fältförsök;

    Abstract : Cultivated grassland is an important crop, both considering crop sequence and live- stock keeping. It is cultivated on 45 % of the Swedish arable land, but it is a crop that differs from grains regarding time of harvest, number of harvests and composi- tion of species. In other crops e.g. READ MORE

  5. 29. Joint use of Sentinel-1 and Sentinel-2 for land cover classification : a machine learning approach

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Miguel Gumersindo Castro Gomez; [2017]
    Keywords : Random Forest; temporal series; Physical Geography and Ecosystem analysisoptical; GEM; land cover classification; SAR; Earth and Environmental Sciences;

    Abstract : Reliable information on land cover is required to assist and help in the decision-making process needed to face the environmental challenges society has to deal with due to climate change and other driving forces. Different methods can be used to gather this information but satellite earth observation techniques offer a suitable approach based on the coverage and type of data that are provided. READ MORE

  6. 30. Detecting clear-cut deforestation using Landsat data : a time series analysis of remote sensing data in Covasna County, Romania between 2005 and 2015

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Tudor Buhalau; [2016]
    Keywords : Landsat; BFAST; Covasna; Physical Geography and Ecosystem Analysis; deforestation; time series; NDVI; NDMI; Earth and Environmental Sciences;

    Abstract : Forested areas represent a fundamental component of the environment. Deforestation and forest fragmentation represent a global issue mostly caused by human influence and Romania is not an exception. Nowadays forests cover approximately a third of Romania’s surface, meaning that the deforestation is a national issue. READ MORE