Can digital terrain model systems solve timber harvest planning problems?
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Can digital terrain model systems solve timber harvest planning problems?

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Published by U.S. Forest Service in [Madison, Wis.? .
Written in English


  • Logging -- United States.

Book details:

Edition Notes

StatementRobert H. Twito.
ContributionsUnited States. Forest Service.
The Physical Object
Paginationp. 4-13 :
Number of Pages13
ID Numbers
Open LibraryOL15311465M

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Forest Management and Planning, Second Edition, addresses contemporary forest management planning issues, providing a concise, focused resource for those in forest management. The book is intermixed with chapters that concentrate on quantitative subjects, such as economics and linear programming, and qualitative chapters that provide. problems related to the digital terrain relief modelling e.g. in the issue of terrain information extraction, handling of large data sets, and also in the issue of incorporating and integrating DTM with other mapping and geoinformation Size: KB. implemented to the problem of timber harvest decision making under timber price uncertainty for a simple forest with one forest-level activity, i.e., investment in timber harvest capacity, incorporated. Stochastic quasigradient methods are introduced and suggested to be used to optimize the supply function coefficients. Digital terrain model (DTM) is a vector dataset which contains enhanced terrain data along with natural topographic features such as break lines and ridges. (Hirt ).Author: Christian Hirt.

Basic decisions concern the areas to harvest in each period, the amount of timber to produce to satisfy aggregate demands for log exports, sawmills and pulp plants, and the roads to build for access and storage of timber. A linear programming model with 0–1 variables describes the decision process. Solution strategies involve strengthening of the model, lifting some of the constraints, and applying Cited by: Abstract—We consider the problem of autonomous naviga-tion in an unstructured outdoor environment. We describe the planning and control aspects of an implemented system that drives a robot at modest speeds (∼1 m/s) over a variety of outdoor terrain. In real time, we use a gradient technique to plan globally optimal paths on a cost map, then File Size: KB. Quantitative models can be important, but they are not the only or best techniques to promote the "systems approach" in thinking about a problem and its possible solutions. Box 6 presents criteria to help you evaluate the appropriateness of different planning . Digital Terrain Model Application in Road Planning and Design. Grid based digital terrain models, Geoinformatics, 7, pp. , we made a precise digital terrain model (DTM).

junctions were designed and evaluated. Digital terrain model size of x kilometers was designed and used for testing and evaluating alternative solutions of the road. In making solutions, data from different sources and different levels of treatment was used and then included in a complete 3D model by using several CAD Size: KB. This book presents a set of papers on Digital Terrain Modelling for Policy Support which aims to be informative and stimulating for both developers and users of digital terrain models. It should also be useful for professi- als who are interested in the wider aspects of the applications of terrain models in support for policies and decision making. We can model the network design problem as a mixed-integer linear programming problem. This model is fed with cartographic information, provided by a geographic information system (GIS), along with technical and economic parameters determined by the planner. We developed a specialized heuristic for the problem to obtain solutions that enable Cited by: Lesson: Terrain Analysis Certain types of rasters allow you to gain more insight into the terrain that they represent. Digital Elevation Models (DEMs) are particularly useful in this regard. In this lesson you will use terrain analysis tools to find out more about the study area for the proposed residential development from earlier.