The map below displays the NLCD Tree Canopy Cover map products. Click and drag on the map to move around. There are four buttons at the right of the screen along the side. These buttons from top to bottom are:Expand, Home, Zoom In, Zoom Out. This application displays the National Land...
Percent tree cover map as a final output was derived using LANDSAT TM/ETM image over Goksu Watershed and the biophysical variables. The results were tested using high spatial resolution GeoEye-1 images. Thus, the combination of the RT algorithm and higher resolution data for percent tree cover ...
To analyze the distribution of trees across different climatic zones, we summed tree cover by annual rainfall23(Fig.2a, Supplementary Fig.2c). A previously published and widely used global tree cover map was added for comparison purposes12. We find that, at continental scale, the PlanetScope ...
Advanced example for Voronoi treemapsThis example will cover the generation of a somewhat larger treemap, as it is often useful to visualize e.g. many genes or proteins at once in molecular biology studies. However, treemaps can be used for any type of data visualization. First we read ...
The aim of this paper is to systematically combine complementary LiDAR and synthetic aperture radar (SAR) observations to map tree canopy cover in a boreal forest. LiDAR data can provide direct measurements of vegetation structures but are limited by the sparse spatial coverage of observations. SAR...
Summary: A brief overview of Tree-Maps provides the basis for understanding two new implementations of Tree-Map methods. TreeMapClusterView provides a new way to view microarray gene expression data, and GenePlacer provides a view of gene ontology annotation data. We also discuss the benefits of...
In this study, a supervised regression tree model was used to map fractions of (1) mature forest, (2) secondary forest, and (3) non‐forest, using multi‐temporal MODIS 250‐m data as explanatory variables, and land cover information derived from high‐spatial resolution image data as the ...
Ground-sourced tree density data is assembled to provide a global map of tree density, which reveals that there are three trillion trees (tenfold more than previous estimates); tree numbers have declined by nearly half since the start of human civilizati
(Fig. 1). We hypothesized that under conditions typical of the seasonally dry tropics an intermediate tree cover maximizes groundwater recharge. Below this optimum cover, the hydrological benefits gained from more trees outweigh their extra water use, while at higher values of tree cover the water...
In order to spatially quantify georeferenced estimates of biomass carbon on agricultural land and to produce a global map of biomass carbon, a method was derived to combine (a.) a remote sensing based analysis of tree cover on agricultural land, with (b.) IPCC Tier 1 default estimates for ...