Unified Interior Regions

Colorado

The Rocky Mountain Region ranges from the Colorado Rockies to the Western Deserts to the Great Plains. The Rocky Mountain Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

States L2 Landing Page Tabs

The Rocky Mountain Region ranges from the Colorado Rockies to the Western Deserts to the Great Plains. The Rocky Mountain Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

News

Date published: September 3, 2020

Fire Footprints stretch Across California, Colorado

The accumulated wildfires engulfing miles of California countryside in the late summer of 2020 are historic in their collective size: more than 500 fires burning across hundreds of thousands of acres.

Date published: August 21, 2020

Call for proposals: LTER Office Network (LNO) Award Registration Information for Synthesis Working Groups

NSF's Long Term Ecological Reaserach Network (LTER) is releasing a call for proposals for synthesis working groups.

Date published: July 21, 2020

Assessment of Mercury Bioaccumulation in US National Parks Using Citizen Science

A team of federal, academic, and NGO researchers conducted a national-scale assessment of mercury bioaccumulation in aquatic ecosystems using dragonfly larvae as biosentinels.

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Date published: May 29, 2020
Status: Active

Argon Geochronology

This project supports the USGS argon geochronology laboratory in Denver. The USGS 40Ar/39Ar geochronology laboratory is a state-of-the-art research facility for determining absolute ages of minerals and rocks. The 40Ar/39Ar laboratory contributes critical geochronology to individual USGS research projects and to partners in academia and other Federal...

Date published: May 14, 2020
Status: Active

Characterization of Streamflow, Suspended Sediment, and Nutrients in the Upper Yampa River Basin

The Upper Yampa River Basin (UYRB) drains approximately 1,800 square miles west of the Continental Divide in northwestern Colorado. In 2019, the USGS, in cooperation with local stakeholders in the UYRB water community, initiated a study to characterize streamflow, suspended sediment, and nutrients using historic and recently acquired water-quality data from a long-term monitoring program...

Date published: April 30, 2020
Status: Active

A Shallow to Deep View Inside the Hydrothermally Altered and Mineralized Silverton Caldera Complex: New Geologic Insights Gained From Modern Geophysical Interpretations

The Silverton caldera complex in southwest Colorado hosts base and precious metals that have been mined since the late 1800s. Extensive mine workings, excellent bedrock exposures, and deeply incised drainages make this area a natural laboratory ideally suited for furthering our understanding of the mineral systems in a volcanic environment. In addition, state-of-the-art geophysical...

Date published: March 25, 2020
Status: Active

Past Perspectives of Water in the West

In the intermountain west, seasonal precipitation extremes, combined with population growth, are creating new challenges for the management of water resources, ecosystems, and geologic hazards. This research contributes a comprehensive long-term context for a deeper understanding of past hydrologic variability, including the magnitude and frequency of drought and flood extremes and ecosystem...

Date published: February 13, 2020
Status: Active

Avian Malaria Genomic Research Project

Habitat destruction, invasive plants, non-native predators and competitors, and introduced diseases have decimated the diverse, endemic native forest bird community of Hawai‘i. In particular, avian malaria (Plasmodium relictum), which is transmitted by the introduced Culex quinquefasciatus mosquito, has caused dramatic declines and extinctions in many native birds. Fortunately, Cx....

Date published: November 13, 2019
Status: Active

Developing tools to image the Earth in 3D using gravity and magnetic fields - Anjana Shah

Develop cutting-edge computational tools that provide 3D views of Earth’s crust using gravity and magnetic fields. Results of these efforts will have a wide range of applications from mapping natural resources to evaluating natural hazards. These tools will be applied to airborne geophysical data, especially those collected for the USGS Earth MRI effort.

Date published: April 23, 2019
Status: Active

Petroleum Geochemistry Research Laboratory

The Petroleum Geochemistry Research Laboratory (PGRL) provides analytical capabilities and technical expertise in support of research and assessment projects within the Energy Resource Program (ERP) with a commitment to the provision of quality petroleum organic geochemistry and mineralogy data. PGRL is active in the development and in the distribution of petroleum organic geochemistry rock...

Contacts: Augusta Warden
Date published: April 23, 2019
Status: Active

Petroleum Geochemistry Research Laboratory

The Petroleum Geochemistry Research Laboratory (PGRL) provides analytical capabilities and technical expertise in support of research and assessment projects within the Energy Resource Program (ERP) with a commitment to the provision of quality petroleum organic geochemistry and mineralogy data.

Date published: February 26, 2019
Status: Completed

August-September 2014 Southwest Floods

Learn more about USGS flood activities related to the August-September 2014 Floods, caused by heavy rains followed by remnants of Hurricane Odile which brought major flooding to parts of Arizona.

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Date published: September 4, 2020

Data for Groundwater-Quality and Select Quality-Control Data for the Colorado Plateaus Principal Aquifer

Groundwater samples were collected from 60 public supply wells in the Colorado Plateaus principal aquifer. Water quality evaluations of groundwater for drinking water at public supply depths were made with the purpose of summarizing the current quality of source water (that is, untreated water) from public supply wells using two types of assessments; (1) status: an assessment that

Date published: July 20, 2020

Ground-based electromagnetic survey, Alamosa, Colorado, March 2020

Shallow soil conductivity was mapped in the San Luis Valley, Colorado, using the DualEM421 electromagnetic sensor in March 2020. Data were acquired by towing the DualEM421 sensor on a wheeled cart behind an all-terrain vehicle, with the sensor at a height of 0.457 m above the ground surface. Approximately 62 line-kilometers of data were acquired over an area of nearly 1.5 square kilometers%...

Date published: June 23, 2020

Global Geochemical Database for Critical Minerals in Archived Mine Samples

The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States. In addition, the database contains samples from archetypal deposits from 27 other countries in North America, South America, Asia, Africa and Europe. Samples were obtained from archived ore

Date published: May 28, 2020

Input and Output Data for the Application of the Precipitation-Runoff Modeling System (PRMS) to Simulate Near-Native Streamflow in the Upper Rio Grande Basin

This data release contains input and output data from hydrologic simulations of naturalized or near-native streamflow conditions in the Upper Rio Grande Basin (URGB) in Colorado, New Mexico, Texas, and northern Mexico by using the Precipitation-Runoff Modeling System (PRMS). The Upper Rio Grande Basin PRMS model was calibrated in a three step process by (1) calibrating solar rad

Date published: April 23, 2020

Domestic Wells in the United States

Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the populations they serve, is important for identifying heavily used aquifers, locations susceptible to contamination, and populations potentially impacted by poor-quality groundwater. 

Date published: February 4, 2020

Base flow monitoring for stream temperature and intermittency at Baca National Wildlife Refuge.

The Baca National Wildlife Refuge is located in the San Luis Valley of South-central Colorado on the western flank of the Sangre de Cristo massif, northwest of the Great Sand Dunes National Park. Wildlife managers at the refuge are tasked with protecting two fish species of special concern, the Rio Grande Chub (Gila pandora) and the Rio Grande Sucker (Catostomus plebeius). The U.S. Ge

Date published: October 1, 2019

U-Pb detrital zircon data for: Select Pennsylvanian-Triassic sedimentary rocks from Colorado

This dataset includes U-Pb detrital zircon age data for samples from the Ingleside and Lyons formations in north-central Colorado collected from Owl Canyon and Park Creek Reservoir, from the Molas and Hermosa formations in southwestern Colorado collected from Molas Pass, and from the Lykins formation and its equivalents along the Front Range and in southeastern Colorado. It accompanies public...

Date published: September 26, 2019

Data for assessing the susceptibility of groundwater used for drinking water supply from selected principal aquifers of the Western United States, 2004-2018

Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States: the Central Valley aquifer system (CVAL), the Basin and Range basin-fill aquifers (BNRF), the Rio Grande aquifer system (RIOG), the High Plains aquifer (HPAQ), the Columbia Plateau basaltic-rock aquifers (

Date published: September 19, 2019

Audiomagnetotelluric sounding data in the Silverton Caldera complex, Colorado, 2018

This data release includes audiomagnetotelluric (AMT) sounding data collected in July 2018 in the Silverton Caldera complex, Colorado, in the Southern Rocky Mountain Volcanic Field, by the U.S. Geological Survey (USGS). Along with geologic mapping, airborne magnetics, airborne electromagnetics, and magnetotellurics, the USGS collected AMT data at 24 sites along four profiles

Date published: September 12, 2019

U-Pb detrital zircon data for: lower Paleozoic sedimentary rocks near Silverton, CO USA

This Laser ablation ICPMS U-Pb detrital zircon data set supports mapping and stratigraphic interpretations of the Upper Devonian Ignacio Formation in southwestern Colorado (Silverton area). All samples were collected from a measured stratigraphic section called "Sultan Creek South" located at 37.710010 and -107.67530 (Evans and others, 2019). The Ignacio Formation was previously int

Date published: September 6, 2019

Drainage basins and characteristics for selected streamgages within the Southern Rockies Landscape Conservation Cooperative domain

Streamflow and basin-characteristic data are needed for a variety of scientific applications including estimation of flow in ungaged basins and hydro-ecological classification of rivers. The U.S. Geological Survey (USGS), in cooperation with the Bureau of Reclamation and the Southern Rockies Landscape Conservation Cooperative (SRLCC), selected a subset of streamgages across the SRLC

Date published: July 29, 2019

U-Pb zircon data for: The Poncha Pass and Deadman Creek areas, northern Sangre de Cristo mountains of south-central Colorado

Geologic mapping, characterization of geologic structures, and sampling for geochronology was completed in two areas of the northwestern Sangre de Cristo mountains from 2011 through 2017. This data release provides the raw analytical data, metadata and sample information for 20 zircon U-Pb age analyses from laser ablation-inductively coupled plasma mass spectrometry (LA-ICPMS). The two areas...

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This is a map of the Southwest US with RestoreNet sites in six ecoregions.
May 14, 2020

RestoreNet is a networked ecological experiment on the cutting-edge of restoration science. The experiment sites span dryland ecoystems of the southwest U.S.

Black and grey map of the contiguous 48 states shaded by the number of people using domestic wells per square kilometer (2010)
April 23, 2020

Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the populations they serve, is important for identifying heavily used aquifers, locations susceptible to contamination, and populations potentially impacted by poor-quality groundwater. 

Screenshot of San Juan River Basin Sites
March 4, 2019

The USGS monitors current streamflow and water-quality conditions at various sites in the Animas and San Juan River Basins in Colorado, New Mexico, and Utah, including areas below the Gold King Mine release area. These streamgages provide continuous data on streamflow and select water-quality constituents including specific conductance, water temperature, pH, and turbidity.

Colorado StreamStats Screen Capture
May 17, 2017

The map-based user interface can be used to delineate drainage areas, get basin characteristics and estimates of flow statistics, and more. 

Funding partners: Colorado Department of Transportation and Colorado Water Conservation Board

Digital Elevation Model in the Atchafalaya Basin, LA
April 19, 2016

The 3DEP products and services available through The National Map consist of standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.

Colorado. The location of the 188 streamgages used to develop the peak-streamflow equations
September 15, 2015

The location of the 188 streamgages used to develop the peak-streamflow equations, of which 44 streamgages have paleoflood or non-exceedance bound data.

Colorado Flood Database
October 24, 2010

An easy-to-use, Web-based geodatabase of historical flood and paleoflood information which includes links to sources of flood data.  The interface makes this collection of information useful to water-resource managers to better understand the historic events for improved flood-frequency estimates of the largest floods in Colorado.

Nodes and Subreaches Along Monument and Fountain Creeks and Location of Streamflow Stations Used in Transit-Loss Accounting Prog
September 6, 2007

Nodes and Subreaches Along Monument and Fountain Creeks and Location of Streamflow-Gaging Stations, Wastewater-Treatment Facilities, and Diversions Used in New Transit-Loss Accounting Program

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Year Published: 2020

Assessment of dissolved-selenium concentrations and loads in the Lower Gunnison River Basin, Colorado, as part of the Selenium Management Program, 2011–17

The Gunnison Basin Selenium Management Program implemented a water-quality monitoring network in 2011 to measure concentrations of selenium in the lower Gunnison River Basin in Colorado. Selenium is a trace element that bioaccumulates in aquatic food chains. Selenium is essential for life, but elevated amounts can cause reproductive failure,...

Henneberg, Mark F.
Henneberg, M.F., 2020, Assessment of dissolved-selenium concentrations and loads in the Lower Gunnison River Basin, Colorado, as part of the Selenium Management Program, 2011–17: U.S. Geological Survey Open-File Report 2020–1078, 21 p., https://doi.org/10.3133/ofr20201078

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Year Published: 2020

Groundwater levels in the Denver Basin bedrock aquifers of Douglas County, Colorado, 2011–19

Municipal and domestic water users in Douglas County, Colorado, rely on groundwater from the bedrock aquifers in the Denver Basin aquifer system as part of their water supply. The four principal Denver Basin bedrock aquifers are, from shallowest to deepest, the Dawson aquifer (divided administratively into “upper” and “lower” Dawson aquifers in...

Malenda, Helen F.; Penn, Colin A.
Malenda, H.F., and Penn, C.A., 2020, Groundwater levels in the Denver Basin bedrock aquifers of Douglas County, Colorado, 2011–19: U.S. Geological Survey Scientific Investigations Report 2020–5076, 44 p., https://doi.org/10.3133/sir20205076.

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Year Published: 2020

Incipient bed-movement and flood-frequency analysis using hydrophones to estimate flushing flows on the upper Colorado River, Colorado, 2019

In 2019, the U.S. Geological Survey, in cooperation with the Upper Colorado River Wild and Scenic Stakeholder Group, studied the magnitude and recurrence interval of streamflow (discharge) needed to initiate bed movement of gravel-sized and finer sediment in a segment of the Colorado River in Colorado to better understand sediment movement and its...

Kohn, Michael S.; Marineau, Mathieu D.; Hempel, Laura A.; McDonald, Richard R.
Kohn, M.S., Marineau, M.D., Hempel, L.A., and McDonald, R.R., 2020, Incipient bed-movement and flood-frequency analysis using hydrophones to estimate flushing flows on the upper Colorado River, Colorado, 2019: U.S. Geological Survey Scientific Investigations Report 2020–5069, 39 p., https://doi.org/10.3133/sir20205069.

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Year Published: 2020

Changes in climate and land cover affect seasonal streamflow forecasts in the Rio Grande headwaters

Seasonal streamflow forecast bias, changes in climate, snowpack, and land cover, and the effects of these changes on relations between basin‐wide snowpack, SNOw TELemetry (SNOTEL) station snowpack, and seasonal streamflow were evaluated in the headwaters of the Rio Grande, Colorado. Results indicate that shifts in the seasonality of precipitation...

Penn, Colin A.; Clow, David W.; Sexstone, Graham A.; Murphy, Sheila F.

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Year Published: 2020

Elevation and elevation-change maps of Fountain Creek, southeastern Colorado, 2015–19

The U.S. Geological Survey, in cooperation with Colorado Springs Utilities, has been collecting topographic data at 10 study areas along Fountain Creek, Colorado, annually since 2012. The 10 study areas are located between Colorado Springs and the terminus of Fountain Creek at the Arkansas River in Pueblo. The purpose of this report is to present...

Hempel, Laura A.
Hempel, L., 2020, Elevation and elevation-change maps of Fountain Creek, southeastern Colorado, 2015–19: U.S. Geological Survey Scientific Investigations Map 3456, 10 sheets, 9 p., https://doi.org/10.3133/sim3456.

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Year Published: 2020

Relating hydroclimatic change to streamflow, baseflow, and hydrologic partitioning in the Upper Rio Grande Basin, 1980 to 2015

Understanding how changing climatic conditions affect streamflow volume and timing is critical for effective water management. In the Rio Grande Basin of the southwest U.S., decreasing snowpack, increasing minimum temperatures, and decreasing streamflow have been observed in recent decades, but the effects of hydroclimatic changes on baseflow, or...

Rumsey, Christine; Miller, Matthew; Sexstone, Graham A.

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Year Published: 2020

Hydrogeologic characterization, groundwater chemistry, and vulnerability assessment, Ute Mountain Ute Reservation, Colorado and Utah

The U.S. Geological Survey, in cooperation with the Ute Mountain Ute Tribe (UMUT), initiated a study in 2016 to increase understanding of the hydrogeology and chemistry of groundwater within select areas of the Ute Mountain Ute Reservation (UMUR) in Colorado and Utah, identify vulnerabilities to the system and other natural resources, and outline...

Bauch, Nancy J.; Arnold, L. Rick
Bauch, N.J., and Arnold, L.R., 2020, Hydrogeologic characterization, groundwater chemistry, and vulnerability assessment, Ute Mountain Ute Reservation, Colorado and Utah: U.S. Geological Survey Scientific Investigations Report 2019–5122, 76 p., https://doi.org/10.3133/sir20195122.

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Year Published: 2020

Preferential elution of ionic solutes in melting snowpacks: Improving process understanding through field observations and modeling in the Rocky Mountains

The preferential elution of ions from melting snowpacks is a complex problem that has been linked to temporary acidification of water bodies. However, the understanding of these processes in snowpacks around the world, including the polar regions that are experiencing unprecedented warming and melting, remains limited despite being instrumental in...

Costa, Diogo; Sexstone, Graham A.; Pomeroy, J.W.; Campbell, Donald H.; Clow, David W.; Mast, Alisa

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Year Published: 2020

The influence of frost weathering on the debris flow sediment supply in an alpine basin

Rocky, alpine mountains are prone to mass wasting from debris flows. The Chalk Cliffs study area (central Colorado, USA) produces debris flows annually. These debris flows are triggered when overland flow driven by intense summer convective storms mobilizes large volumes of sediment within the channel network. Understanding the debris flow...

Rengers, Francis K.; Kean, Jason W.; Reitman, Nadine G.; Smith, Joel B.; Coe, Jeffrey A.; McGuire, Luke

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Year Published: 2020

Effects of John Martin Reservoir on water quality and quantity: Assessment by chemical, isotopic, and mass-balance methods

Water quality and quantity can be influenced by transit through and storage in reservoirs. Assessing such effects can be challenging, however, because of mixing and residence times, and inter-annual net storage and release from both the reservoir itself and surrounding porosity. Here, different methodologies were used to assess the effect of John...

Bern, Carleton R.; Holmberg, Michael; Kisfalusi, Zachary

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Year Published: 2020

Mercury and selenium concentrations in fishes of the Upper Colorado River Basin, southwestern United States: A retrospective assessment

Mercury (Hg) and selenium (Se) are contaminants of concern for fish in the Upper Colorado River Basin (UCRB). We explored Hg and Se in fish tissues (2,324 individuals) collected over 50 years (1962–2011) from the UCRB. Samples include native and non-native fish collected from lotic waterbodies spanning 7 major tributaries to the Colorado River....

Day, Natalie; Schmidt, Travis; Roberts, James J.; Osmundson, Barbara C.; Willacker, James; Eagles-Smith, Collin

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Year Published: 2019

Effects of infiltration characteristics on the spatial-temporal evolution of stability of an interstate highway embankment

Infiltration-induced landslides are among the most common natural disasters threatening modern civilization, but conventional methods for studying the triggering mechanisms and predicting the occurrence of these slides are limited by incomplete consideration of underlying physical processes and the lack of precision inherent in limit-equilibrium...

Hinds, Eric; Lu, Ning; Mirus, Benjamin B.; Wayllace, Alexandra

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USGS science for a changing world
November 20, 2017

The is a useful tool designed to facilitate FGDC metadata creation for spatial and non-spatial data sets. It is a cross-platform desktop application built using an open-source Python architecture.

Upstream view of Fountain Creek in Colorado
May 10, 2017

The transit-loss accounting program, which has been in continuous daily use in some form since April 1989, has provided water-rights administrators with a tool to effectively manage RRFs and administer water diversion priorities along Fountain Creek on a daily basis.

USGS science for a changing world
March 23, 2012

Smart River GIS allows simultaneous views of river hydraulics, species-specific habitat, and fish population simulations, for a better understanding of complex ecological interactions. We used existing data sets from the South Platte River in Colorado to develop a multi-layered geographic information system (GIS) that resource managers can use to improve their understanding of river ecosystems.

USGS science for a changing world
January 1, 1999

CloseTest is a Windows program for testing capture-recapture data

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Graphic of wells pads in the Colorado Plateau ecoregion
June 12, 2020

Well Pads in the Colorado Plateau

Density of oil and gas well pads per km2 in the Colorado Plateau ecoregion (including parts of Utah, Colorado and New Mexico) as counted in 2016. Oil/gas wells are particularly concentrated in this region with ~100,000 abandoned and current wells spanning 60 years of activity. These numbers are dramatically increasing with time.

June 11, 2020

Land Treatment Exploration Tool— Step 4: Prop. Treatment Area & Report

This video describes Step 4 and the developing report of the Land Treatment Exploration Tool. In Step 4 the used selects layers to generate spatial overlap statistics with their planned treatment boundary. Summary tables are generated and displayed in the Report tab, where a user can create a PDF Site Characterization Report for their planned treatment boundary. Optionally

June 11, 2020

Land Treatment Exploration Tool — Step 5: Select Search Parameters

This video describes Step 5 of the Land Treatment Exploration Tool. In Step 5 the user determines a distance or boundary to search for legacy Land Treatment Digital Library records. The user also indicates if the returned LTDL treatments are statistically evaluated against the planned treatment boundary using a Bray-Curtis Dissimilarity calculation.

These tutorial

June 11, 2020

Land Treatment Exploration Tool — Step 6: Compare the LTDL Treatments

This video describes Step 6 of the Land Treatment Exploration Tool. In Step 6 the user filters through the returned list of legacy LTDL treatments to identify records that contain useful information or context for the current planned treatment boundary. Selected treatments are added to the developing report and subsequent exported Site Characterization PDFs.  

These

June 11, 2020

Land Treatment Exploration Tool: A Quick Introduction

This is a quick introduction video to the Land Treatment Exploration Tool. This short video includes a summary of the tool with screen clips of the fact sheet, web tool, and an example Site Characterization Report.

These tutorial videos were created to aid in the use of the Land Treatment Exploration Tool (LTET). These videos

June 11, 2020

Land Treatment Exploration Tool—Step 1: Describe Proposed Treatment

This video describes Step 1 of the Land Treatment Exploration Tool. In Step 1 the user defines a name, the planned treatment/s, and a file name for exported items.

These tutorial videos were created to aid in the use of the Land Treatment Exploration Tool (LTET). These videos guide a user through the main steps of the tool.

June 11, 2020

Land Treatment Exploration Tool — Step 2: Select Treatment Boundary

This video describes Step 2 of the Land Treatment Exploration Tool. In Step 2 the user defines their planned treatment boundary. The user can load a zipped shapefile or on-screen digitize their boundary.  

These tutorial videos were created to aid in the use of the Land Treatment Exploration Tool (LTET). These videos guide a

June 11, 2020

Land Treatment Exploration Tool — Step 3: Explore Site Characteristics

This video describes Step 3 of the Land Treatment Exploration Tool. In Step 3 the user is guided to the Site History tab to explore land treatment and wildfire history of their planned treatment area. They are also directed to the Fish and Wildfire Information for Planning and Consultation tool to investigate areas of overlap with endangered species, migratory birds, and

A group of people gather around a list of climate adaptation strategies inside of a conference room.
December 5, 2019

Collaborating on Climate Adaptation

RAMPS expands drought adaptation project with national parks in the 4-Corners area. National parks across the desert Southwest are experiencing ecological impacts due to climate change. Since late 2018, USGS RAMPS scientists have been working with Southeast Utah Group of national parks to better understand climate change impacts and build a suite of science-driven

...
October 11, 2019

Earth as Art 6

The Earth As Art project began in the early 2000s, and its original intent remains the same: to produce images that do not look like satellite images at first glance. Earth As Art shows not only what satellites capture in the visible wavelengths of light you and I can see, but also what’s hiding in the invisible wavelengths that Landsat sensors can detect in the infrared

Ecosystems Podcast Series Episode 5 artwork
October 3, 2019

Outstanding in the Field (Ep 5): Fish in the Grand Canyon

The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them. In this episode we describe some of the one-of-a-kind native fish species that call the Grand Canyon segment of the Colorado River home.
 

A marine technician works on a large metal apparatus on the deck of a ship with cables and a pully.
October 1, 2019

Preparing the jumbo piston corer

A USGS engineering technician prepares the jumbo piston corer for launching off research vessel Bold Horizon off the coast of California and Oregon. The corer will collect sediment samples from the seafloor. Scientists will examine the sediment to determine its age, character, and distribution. This area off the west coast of the U.S. is prone to hazardous events 

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Animation of Growth to Pine Gulch Fire
September 3, 2020

The accumulated wildfires engulfing miles of California countryside in the late summer of 2020 are historic in their collective size: more than 500 fires burning across hundreds of thousands of acres.

USGS
August 21, 2020

NSF's Long Term Ecological Reaserach Network (LTER) is releasing a call for proposals for synthesis working groups.

Dragonfly larvae being held in an open hand
July 21, 2020

A team of federal, academic, and NGO researchers conducted a national-scale assessment of mercury bioaccumulation in aquatic ecosystems using dragonfly larvae as biosentinels.

Invasive Burmese Python
July 10, 2020

Washington – Today, the U.S. Geological Survey (USGS), U.S. National Park Service (NPS), U.S. Fish and Wildlife Service (FWS) and Conservancy of Southwest Florida announced they have teamed up to radio-track Burmese pythons in Big Cypress National Preserve, Crocodile Lake National Wildlife Refuge and other areas of Southwest Florida.

dark space with golden solar flare
March 16, 2020

The U.S. Geological Survey released a new report on geoelectric hazards for two-thirds of the contiguous U.S., spanning from the northeast to the west coast of the Nation. 

Tara Bell's photo
September 20, 2019

FAIR – Findable, Accessible, Interoperable, Reusable

scientists holding a test tube with aquatic insects.
August 30, 2019

This year marks 150 years since John Wesley Powell and his nine-man crew conducted a scientific expedition of the Green and Colorado rivers. In addition to the goal of mapping the river basin, Powell’s group collected fossils and observed flora and fauna as they journeyed down the river. What did they observe, and what is the focus of USGS ecological studies in the Colorado River Basin now?

Chemist prepares sample for analysis
August 9, 2019

A new analysis of USGS National Water Quality Laboratory (NWQL) quality-control protocols finds that “false-positive” and “false negative” results—reporting that a compound is present in a sample when it is not or that a compound is not present when it is—are minimal.

National Data Catalog 2.0
July 25, 2019

The 2019 NGGDPP Data Preservation Workshop will be held at the Colorado School of Mines, September 24-26, 2019.  Details for the conference are being posted in the NGGDPP data preservation confluence page, feel free to contact nggdpp@usgs.gov with questions.

USGS
June 18, 2019

Personnel from St. Petersburg Coastal and Marine Center, Woods Hole Coastal and Marine Center, Pacific Coastal and Marine Center, and Reston National Center participated in the DataBlast session at the Community for Data Integration Workshop, June 3–7, in Boulder, Colorado; presenting a poster titled "New Imagery Data System for Coastal/Marine Hazards and Resources Program". 

Mounting sensor on UAS
June 12, 2019

The USGS Spectroscopy Laboratory hosted hyperspectral calibration and imaging from unmanned aircraft systems (UAS) training in June.

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