Stereo Photo Series for Quantifying Natural Fuels, Volume 7: Oregon White Oak, California Deciduous Oak, and Mixed-Conifer with Shrub Types in the Western United States, May 2004 PDF Download
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Author:
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ISBN:
Category :
Languages : en
Pages : 84
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 84
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Book Description
Author: Roger D. Ottmar
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 80
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Book Description
Author: Nathalie Lavoie
Publisher:
ISBN:
Category : Black spruce
Languages : en
Pages : 54
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Book Description
Author: Roger D. Ottmar
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 80
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Book Description
Author: Robert E. Keane
Publisher:
ISBN:
Category : Coarse woody debris
Languages : en
Pages : 50
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Book Description
Fire managers need better estimates of fuel loading so they can more accurately predict the potential fire behavior and effects of alternative fuel and ecosystem restoration treatments. This report presents a new fuel sampling method, called the photoload sampling technique, to quickly and accurately estimate loadings for six common surface fuel components (1 hr, 10 hr, 100 hr, and 1000 hr downed dead woody, shrub, and herbaceous fuels). This technique involves visually comparing fuel conditions in the field with photoload sequences to estimate fuel loadings. Photoload sequences are a series of downward-looking and close-up oblique photographs depicting a sequence of graduated fuel loadings of synthetic fuelbeds for each of the six fuel components. This report contains a set of photoload sequences that describe the range of fuel component loadings for common forest conditions in the northern Rocky Mountains of Montana, USA to estimate fuel loading in the field. A companion publication (RMRS-RP-61CD) details the methods used to create the photoload sequences and presents a comprehensive evaluation of the technique.
Author: Laura J. Dickinson
Publisher: CreateSpace
ISBN: 9781511539722
Category :
Languages : en
Pages : 34
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Book Description
Wildland fire managers need better estimates of fuel loading so they can accurately predict potential fire behavior and effects of alternative fuel and ecosystem restoration treatments. This report presents the development and evaluation of a new fuel sampling method, called the photoload sampling technique, to quickly and accurately estimate loadings for six common surface fuel components using downward looking and oblique photographs depicting a sequence of graduated fuel loadings of synthetic fuelbeds. This report details the methods used to construct the photoload sequences (series of photos depicting gradually increasing loadings) for the six fuel components. A companion paper (RMRS-GTR-190) presents the set of photoload sequences developed from this study for common fuelbed conditions found in the northern Rocky Mountains of Montana, USA, along with a detailed sampling protocol that can be used with these photoload picture series to estimate fuel component loadings in the field at various levels of effort and scale. An evaluation of the photoload sampling technique was conducted where 29 participants were asked to estimate loadings for the six fuel components on five sites using the photoload technique. These visual estimates were compared with actual measured loadings to obtain estimates of accuracy and precision. We found that photoload estimates consistently underestimated fuel loadings (average bias 0.182 kg m-2 or 0.8 tons acre-1) but the error of the estimate (0.018 kg m-2 or 0.08 tons acre-1) was within 10 to 50 percent of the mean depending on fuel component. We also found that accuracy and precision of the photoload estimates increased with increasing field experience and also with increasing fuel loadings.
Author: James H. Speer
Publisher: University of Arizona Press
ISBN: 0816526850
Category : Science
Languages : en
Pages : 360
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Book Description
This comprehensive text addresses all of the subjects that a reader who is new to the field will need to know and will be a welcome reference for practitioners at all levels. It includes a history of the discipline, biological and ecological background, principles of the field, basic scientific information on the structure and growth of trees, the complete range of dendrochronology methods, and a full description of each of the relevant subdisciplines.
Author: Vincent L. Gaffney
Publisher: Council for British Archaeology
ISBN:
Category : History
Languages : en
Pages : 228
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Book Description
This excellent book, which deserves a wide readership, reports on the work of the North Sea Palaeolandscapes Project, which has been researching the fascinating lost landscape of Doggerland which until the end of the last Ice Age connected Britain to the continent in the North Sea area. It aims to make the findings available to a general readership, and show just how impressive they have been, with nearly 23,000km2 mapped. The techniques used to reconstruct the landscape are explained, and conclusions and speculation about the climate and vegetation of the area in the Mesolithic offered. It also tells the story of the rediscovery of Doggerland, and the Mesolithic landscape more generally, from the pioneering work of Clement Reid in the nineteenth century, to the research of Grahame Clark and Bryony Coles in the twentieth. It's also worth pointing out just how well produced and illustrated the book is, and one can only hope that it can spark public interest in a comparatively little known phase of our prehistory.
Author: Joe H. Scott
Publisher:
ISBN:
Category : Fire management
Languages : en
Pages : 84
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Book Description
This report describes a new set of standard fire behavior fuel models for use with Rothermels surface fire spread model and the relationship of the new set to the original set of 13 fire behavior fuel models. To assist with transition to using the new fuel models, a fuel model selection guide, fuel model crosswalk, and set of fuel model photos are provided.
Author: Iris Lewandowski
Publisher: Springer
ISBN: 3319681524
Category : Science
Languages : en
Pages : 358
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Book Description
This book is open access under a CC BY 4.0 license. This book defines the new field of "Bioeconomy" as the sustainable and innovative use of biomass and biological knowledge to provide food, feed, industrial products, bioenergy and ecological services. The chapters highlight the importance of bioeconomy-related concepts in public, scientific, and political discourse. Using an interdisciplinary approach, the authors outline the dimensions of the bioeconomy as a means of achieving sustainability. The authors are ideally situated to elaborate on the diverse aspects of the bioeconomy. They have acquired in-depth experience of interdisciplinary research through the university’s focus on “Bioeconomy”, its contribution to the Bioeconomy Research Program of the federal state of Baden-Württemberg, and its participation in the German Bioeconomy Council. With the number of bioeconomy-related projects at European universities rising, this book will provide graduate students and researchers with background information on the bioeconomy. It will familiarize scientific readers with bioeconomy-related terms and give scientific background for economists, agronomists and natural scientists alike.
