Essays about: "plant area index"

Showing result 21 - 25 of 40 essays containing the words plant area index.

1. 21. Remote sensing-based monitoring of snow cover dynamics and its influence on vegetation growth in the Middle Atlas Mountains

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Nezha Acil; [2016]
   Keywords : grasslands; shrublands; forests; Morocco; mountains; monitoring; remote sensing; MODIS; snow; vegetation; Physical Geography; Ecosystem analysis; GIS; Earth and Environmental Sciences;

   Abstract : Endowed with diverse vegetation covers, the Middle Atlas Mountains receive substantial snowfall in winter, which contributes to plant hydration during the growing season. Using remotely-sensed imagery, this study aims to assess the trends in snow cover variations between 2000 and 2015, analyse the local influence of snowpack persistence on vegetation growth and evaluate the significance of this effect by comparing snow-fed and non-snow-fed sites. READ MORE

3. 22. Weed suppressive ability of crop mixtures

   University essay from SLU/Dept. of Crop Production Ecology

   Author : Anna Pers Berglund; [2016]
   Keywords : Elytrigia repens L. Desv. ex Nevski; intercropping; LAI; LAI-2200C Plant Canopy Analyzer; leaf area index; pea; spring barley; weed; weed tolerance;

   Abstract : In order to assess the weed suppressive ability of a pea/barley crop mixture and the component crops in sole cropping, a controlled outdoor experiment was performed at The Swedish University of Agricultural Sciences, Ultuna, Sweden, in the summer of 2015. A substitutive completely randomized experimental design was used with seven treatments and six replicates. READ MORE

4. 23. Testing the robustness of the Plant Phenology Index to changes in temperature

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Iain Lednor; [2015]
   Keywords : NDVI; Plant Phenology Index; physical geography and ecosystem analysis; remote sensing; EVI2; Vegetation Index; temperature; phenology.; Earth and Environmental Sciences;

   Abstract : Traditional vegetation indices have long encountered a problem of saturating at high biomass levels. A newly formulated vegetation index, the Plant Phenology Index (PPI), which has a near linear relationship with canopy green leaf area index (LAI) is tested in this study against temperature at 12 sites across Sweden. READ MORE

5. 24. Evaluation and Sensitivity Analysis of Cost Calculations in the Thermo-Economic Modeling of CSP Plants

   University essay from KTH/Kraft- och värmeteknologi

   Author : Arvid Rönnberg; [2015]
   Keywords : Solar Power; Computer Modeling; Cost Estimation; Sensitivity Analysis;

   Abstract : Thermo-economic modeling refers to the process of estimating the cost and performance of a power plant using cost oriented equations and reference data. In this thesis the fundamentals of cost and performance modeling as well as sensitivity analysis is researched and applied to an existing model in the field of concentrated solar power. READ MORE

6. 25. Impacts of Climate Change on Abies spectabilis : an approach integrating a Species Distribution Model (MaxEnt) and a Dynamic Vegetation Model (LPJ-GUESS)

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Mohan Dev Joshi; [2015]
   Keywords : MaxEnt; Manaslu conservation area; GEM; Abies spectabilis; Physical Geography and Ecosystem Analysis; climate change; LPJ-GUESS; Earth and Environmental Sciences;

   Abstract : Recent global warming trends, particularly in the arctic regions and Himalayas are modifying forest structure and function, notably biogeographical changes in tree species distribution together with alteration in Net Primary Production (NPP), Leaf Area Index (LAI) and Carbon biomass. These alterations are most pronounced in mountain environments, carrying significant impacts on woody species which are more sensitive to temperature changes. READ MORE