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General Methods Mark-recapture studies are ongoing both in the Little Colorado River and a reference site in the Colorado River
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https://www.usgs.gov/centers/southwest-biological-science-center/science/humpback-chub-colorado-river-grand-canyon
General Methods Mark-recapture studies are ongoing both in the Little Colorado River and a reference site in the Colorado River

Webcams | U.S. Geological Survey Skip to main content

https://www.usgs.gov/products/multimedia-gallery/webcams
Saddle River at Upper Saddle River, NJ Visit Water Data for the Nation to get current data for this site

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https://www.usgs.gov/staff-profiles/charles-n-alpers
This work has included research on acid mine drainage at the Iron Mountain Superfund site, including documentation of negative-pH water and associated sulfate minerals

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https://www.usgs.gov/centers/colorado-water-science-center/science/water-energy-and-biogeochemical-budgets-webb-loch
Analyses of temporal and spatial variations in the depth and water content of seasonal snowpacks was another area of extensive research at the Loch Vale WEBB site

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https://www.usgs.gov/volcanoes/kama%E2%80%98ehuakanaloa
de Pajaros Fukujin Seamount Guguan Kasuga 2 Maug Islands Pagan Ruby Sarigan South Sarigan Seamount Supply Reef Zealandia Bank Haleakalā Hualālai Kama‘ehuakanaloa Kīlauea Mauna Kea Mauna Loa Black Butte Crater Lava Field Craters of the Moon Volcanic Field Hell's Half Acre Lava Field Wapi Lava Field Soda

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https://www.usgs.gov/programs/cooperative-research-units/science/washington-cooperative-fish-and-wildlife-research-unit
August 31, 2023 Data fall into three types: 1) individual snake scanning data (PIT tag ID, time stamp, and device) downloaded from readers, 2) individual trait data (sex, size, etc) of tested brown treesnakes, and 3) detailed transcripts of videos of behavioral trial data as snakes interacted with the readers

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https://www.usgs.gov/water-science-school/science/desalination
According to the International Desalination Association, globally, more than 300 million people receive their water from de-salination plants

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https://www.usgs.gov/publications/incorporating-antenna-detections-abundance-estimates-fish
August 18, 2021 Autonomous passive integrated transponder (PIT) tag antennas are commonly used to detect fish marked with PIT tags but cannot detect unmarked fish, creating challenges for abundance estimation

Landsat Illustrates the Life Cycle of a Mine | U.S. Geological Survey

https://www.usgs.gov/news/featured-story/landsat-illustrates-life-cycle-a-mine
This background photo and the photo displayed with the title of this article are of open pit coal mines in the Powder River Basin of Wyoming

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https://www.usgs.gov/media/audio/usgs-outstanding-field-episode-10-bats
Detailed Description Welcome to the USGS Ecosystems Mission Area Outstanding in the Field podcast series that tells stories about our science, our adventures, and our efforts to better understand fish and wildlife and the ecosystems that support them

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https://www.usgs.gov/news/featured-story/return-yellowstone-grizzly-bear
(Credit: Lisa Landenburger, USGS - IGBST

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https://www.usgs.gov/water-science-school/science/water-density
Water temperature plays an important role in almost all USGS water science

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https://www.usgs.gov/staff-profiles/maria-c-dzul
Maria’s research interests include: 1) evaluating links between floods, temperature, and life history of fishes, 2) developing approaches for integrating detections from autonomous PIT antennas into mark-recapture models to improve estimation of survival, movement, and abundance, 3) using population models to guide

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https://www.usgs.gov/staff-profiles/adrianne-brand
In 2013, the Salamander Population and Adaptation Research Network started as a partnership between researchers at Penn State University and the USGS Northeast Amphibian and Research Monitoring Initiative with the intention of creating a research network to address adaptation and population dynamics across multiple

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https://www.usgs.gov/centers/southwest-biological-science-center/science/rainbow-trout-colorado-river-grand-canyon
Photo courtesy of David Herasimtschuk, Freshwaters Illustrated, paid for by the Southwest Biological Science Center, USGS

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https://www.usgs.gov/publications/regional-spectral-analysis-three-moderate-earthquakes-northeastern-north-america
We check the recorded spectra closely for anomalies that might result from site resonance or source effects