Search Results - "Verbyla, D"
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Methane bubbling from Siberian thaw lakes as a positive feedback to climate warming
Published in Nature (07-09-2006)“…Large uncertainties in the budget of atmospheric methane, an important greenhouse gas, limit the accuracy of climate change projections. Thaw lakes in North…”
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Evaluation of remotely sensed indices for assessing burn severity in interior Alaska using Landsat TM and ETM
Published in Remote sensing of environment (30-06-2005)“…We evaluated 13 remotely sensed indices across four wildfire burn sites in interior Alaska. The indices included single bands, band ratios, vegetation indices,…”
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Estimating post-fire organic soil depth in the Alaskan boreal forest using the Normalized Burn Ratio
Published in International journal of remote sensing (01-07-2008)“…As part of a long-term moose browse/fire severity study, we used the Normalized Burn Ratio (NBR) with historic Landsat Thematic Mapper (TM) imagery to estimate…”
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Assessment of the MODIS Leaf Area Index Product (MOD15) in Alaska
Published in International journal of remote sensing (01-03-2005)“…The Moderate Resolution Imaging Spectroradiometer (MODIS) Leaf Area Index (LAI) Product (MOD15A2) was evaluated for the growing seasons of 2000 through 2004 in…”
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Assessment of Snow-Cover Mapping Accuracy in a Variety of Vegetation-Cover Densities in Central Alaska
Published in Remote sensing of environment (01-11-1998)“…Field and aircraft measurements were acquired in April 1995 in central Alaska to map snow cover with MODIS Airborne Simulator (MAS) data, acquired from…”
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Bias in land cover change estimates due to misregistration
Published in International journal of remote sensing (2000)“…Land cover change may be overestimated due to positional error in multi-temporal images. To assess the potential magnitude of this bias, we introduced random…”
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Comparison of Three AVHRR-Based Fire Detection Algorithms for Interior Alaska
Published in Remote sensing of environment (01-04-2000)“…Three satellite fire detection models (threshold, contextual, and fuel mask) were compared and evaluated using National Oceanographic and Atmospheric…”
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A test of detecting spring leaf flush within the Alaskan boreal forest using ERS-2 and Radarsat SAR data
Published in International journal of remote sensing (01-01-2001)“…This study tests whether ERS-2 and Radarsat Standard Beam SAR data could be used to detect spring green-up of broadleaf forests on floodplains in interior…”
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Positive biodiversity-productivity relationship predominant in global forests
Published in Science (American Association for the Advancement of Science) (14-10-2016)“…The biodiversity-productivity relationship (BPR) is foundational to our understanding of the global extinction crisis and its impacts on ecosystem functioning…”
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10
Effect of scan angle on AVHRR fire detection accuracy in interior Alaska
Published in International journal of remote sensing (01-01-1999)“…Some AVHRR fire detection studies have excluded pixels that exceeded an arbitrary scan angle. This exclusion seems to be based on the distortion of pixels at…”
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Relationship between satellite-derived land surface temperatures, arctic vegetation types, and NDVI
Published in Remote sensing of environment (15-04-2008)“…Arctic vegetation distribution is largely controlled by climate, particularly summer temperatures. Summer temperatures have been increasing in the Arctic and…”
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Quantifying fire severity, carbon, and nitrogen emissions in Alaska's boreal forest
Published in Ecological applications (01-09-2010)“…The boreal region stores a large proportion of the world's terrestrial carbon (C) and is subject to high-intensity, stand-replacing wildfires that release C…”
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Remote sensing of vegetation and land-cover change in Arctic Tundra Ecosystems
Published in Remote sensing of environment (15-02-2004)“…The objective of this paper is to review research conducted over the past decade on the application of multi-temporal remote sensing for monitoring changes of…”
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Resampling methods for evaluating classification accuracy of wildlife habitat models
Published in Environmental management (New York) (01-11-1989)Get full text
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Spatial analysis of habitat selection by sitka black-tailed deer in southeast Alaska, USA
Published in Environmental management (New York) (01-07-1995)“…We used a vector-based geographic information system (GIS) to examine habitat selection by radiocollared Sitka black-tailed deer (Odocoileus hemionus…”
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Methane bubbling from Siberian thaw lakes as a positive feedback to climate warming
Published in Nature (London) (2006)Get full text
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17
Utilization Of An Externally Directed Microcomputer System
Published in Journal of park and recreation administration (01-01-1986)Get full text
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Characteristics and Effectiveness of State Anti-Poaching Campaigns
Published in Wildlife Society bulletin (01-07-1984)Get full text
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