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Folders: ROOT > ScienceBase Catalog > National and Regional Climate Adaptation Science Centers > National CASC > FY 2015 Projects > River’s End: Mapping Patterns of Stream Drying in the Western United States ( Show direct descendants )

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This data release is provided in support of Arismendi, I., Dunham, J.B., Heck, M.P., Schultz, L.D., Hockman-Wert, D.P., 2017, A statistical method to predict flow permanence in dryland streams from time series of stream temperature: Water, v. 9, no. 12, p. 946, https://doi.org/10.3390/w9120946. This code release contains all of the source code from the "Hidden Markov Model" sections of the associated manuscript. The source code was written using the R programming language (www.r-project.org, version 3.3.1). Running the code requires knowlege of the R programming language. The code snippet requires the folder location containing the data, and the site being processed, to be updated. The code requires certain R packages,...
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This dataset includes electrical resistance data from a network of 50 data loggers that was installed throughout the Willow-Whitehorse watershed of SE Oregon in September 2014. Data loggers were downloaded in August 2015 and September 2016. These data loggers were used as “electrical resistance” (ER) sensors, following Chapin et al. 2014. The sensors were Onset HOBO Pendant temperature data loggers that were modified to monitor streamflow intermittency and determine the timing of stream drying.
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This dataset includes stream temperatures from two data loggers installed at one site in the Little Blitzen River of SE Oregon as part of a redband trout (Oncorhynchus mykiss gairdnerii) study. The site was used as an undisturbed reference in comparison with similar temperature monitoring sites in the Willow-Whitehorse watershed that experienced a 2012 fire that burned nearly the entire watershed.
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This dataset includes spatial location information from 167 temperature data loggers that were installed throughout the Willow/Rock/Frazer watersheds of northern Nevada between July 30 and August 14, 2015. One hundred twelve data loggers were installed in stream channels (some of which were dry), 50 data loggers were installed outside the stream channel to measure air temperature, and 5 data loggers were installed on ridgetops to measure air temperature across the watershed.
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This dataset includes stream temperatures from a network of 112 data loggers that was installed in stream channels throughout the Willow/Rock/Frazer watersheds of northern Nevada between July 31 and August 15, 2015. Ninety-seven data loggers were recovered and downloaded in late July 2016.
These tabular, spatial, and code data sets were created in support of a stream temperature and drying study that took place in the Willow and Whitehorse watersheds of southeastern Oregon from 2014-2016 and the Willow, Rock, and Frazer watersheds of northern Nevada from 2015-2016. A prior data release of stream temperature data and associated spatial data from the Willow and Whitehorse watersheds of southern Oregon was also used for the study.
Abstract (from ScienceDirect): Rarity and life history traits inform multiple dimensions of intrinsic risk to climate and environmental change and can help systematically identify at-risk species. We quantified relative geographic rarity (area of occupancy), climate niche breadth, and life history traits for 114 freshwater fishes, amphibians, and reptiles in the U.S. Pacific Northwest. Our approach leveraged presence-only, publicly available data and traits-based inference to evaluate area of occupancy, climate sensitivity (i.e., climate niche breadth), and a Rarity and Climate Sensitivity (RCS) index of all species across multiple geographic extents, grain sizes, and data types. The RCS index was relatively stable...
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These datasets include stream temperatures, air temperatures, and spatial location information from 167 temperature data loggers that were installed throughout the Willow/Rock/Frazer watersheds of northern Nevada between July 30 and August 14, 2015. One hundred twelve data loggers were installed in stream channels (some of which were dry), 50 data loggers were installed outside the stream channel to measure air temperature, and 5 data loggers were installed on ridgetops to measure air temperature across the watershed. Fifty-one air temperature data loggers and 97 stream temperature data loggers were recovered and downloaded in late July 2016.
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This dataset includes air temperatures from 50 data loggers that were installed in tandem with stream temperature data loggers, as well as five ridgetop data loggers, throughout the Willow/Rock/Frazer watersheds of northern Nevada between July 31 and August 15, 2015. Fifty-one data loggers were recovered and downloaded in late July 2016.
Abstract (from MDPI): Intermittent and ephemeral streams represent more than half of the length of the global river network. Dryland freshwater ecosystems are especially vulnerable to changes in human-related water uses as well as shifts in terrestrial climates. Yet, the description and quantification of patterns of flow permanence in these systems is challenging mostly due to difficulties in instrumentation. Here, we took advantage of existing stream temperature datasets in dryland streams in the northwest Great Basin desert, USA, to extract critical information on climate-sensitive patterns of flow permanence. We used a signal detection technique, Hidden Markov Models (HMMs), to extract information from daily...
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This dataset includes stream temperatures from a network of 100 data loggers that was installed throughout the Willow-Whitehorse watershed of SE Oregon in September 2014, as well as 10 additional sites that were installed in 2011 and 2012, before and after a 2012 fire that burned nearly the entire watershed. Data loggers were downloaded in August 2015. A spatial data layer contains the site locations and associated information about the sites, along with summary temperature information and a comparison to modeled stream temperatures (NorWeST).
    map background search result map search result map Stream Temperature Data in the Willow-Whitehorse watershed of SE Oregon, 2011-15 Stream Temperature Data in the Little Blitzen watershed of SE Oregon, 2009-15 Stream temperature data from Willow-Whitehorse and Little Blitzen watersheds, southeast Oregon, 2011-2015 Stream and air temperature data from the Willow, Rock, and Frazer watersheds of northern Nevada, USA, 2015-2016 Electrical resistance data from the Willow-Whitehorse watersheds of southeast Oregon, USA, 2014-2016 Air temperature data in Willow/Rock/Frazer watersheds of northern Nevada, 2015-16 Stream temperature data in Willow/Rock/Frazer watersheds of northern Nevada, 2015-16 Temperature data loggers in Willow/Rock/Frazer watersheds of northern Nevada, 2015 Stream Temperature Data in the Little Blitzen watershed of SE Oregon, 2009-15 Stream Temperature Data in the Willow-Whitehorse watershed of SE Oregon, 2011-15 Stream temperature data from Willow-Whitehorse and Little Blitzen watersheds, southeast Oregon, 2011-2015 Electrical resistance data from the Willow-Whitehorse watersheds of southeast Oregon, USA, 2014-2016 Temperature data loggers in Willow/Rock/Frazer watersheds of northern Nevada, 2015 Stream and air temperature data from the Willow, Rock, and Frazer watersheds of northern Nevada, USA, 2015-2016 Air temperature data in Willow/Rock/Frazer watersheds of northern Nevada, 2015-16 Stream temperature data in Willow/Rock/Frazer watersheds of northern Nevada, 2015-16