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James LeNoir

James LeNoir is a Hydrologist in the New England Water Science Center.

James LeNoir began his career with the USGS New England Water Science Center in September 2020. He primarily uses his ArcGIS and Python skills to assess current and estimated future flood risk. He is also a member of the USGS Geospatial Information Response Team (GIRT) in the National Geospatial Program. As a member of GIRT, James provides technical support, including updating web applications and providing coding support to download, process, and host satellite imagery, to help GIRT meet its mission of providing accurate and timely data to responders during a natural disaster. James is also involved in data visualization projects and has used various ArcGIS Online applications to communicate key findings to stakeholders and the general public.

Professional Experience

  • Hydrologist, U.S. Geological Survey, New England Water Science Center, 2020 to Present

  • Associate Geologist, Alpine Ocean Seismic Survey, 2020

  • Guest Scientist, Geoscientists-in-the-Parks Program, Minute Man National Historical Park, 2019

Education and Certifications

  • M.S. Geology, Boston College, 2019

  • B.S. Environmental Science, Worcester State University, 2017

Science and Products

Satellite remote sensing of river discharge: A framework for assessing the accuracy of discharge estimates made from satellite remote sensing observations

This research presents an evaluation of the accuracy and uncertainty of estimates of river discharge made using satellite observed data sources as input to a modified form of Manning’s equation. Conventional U.S. Geological Survey (USGS) streamflow gaging station data and in-situ measurements of width, depth, height, slope, discharge, and velocity from 30 USGS gage sites were used as...
Authors
David M. Bjerklie, Michael T. Durand, Jonathan Lenoir, Robert W. Dudley, Charon M. Birkett, John Jones, Merritt Elizabeth Harlan
By
Water Resources Mission Area, New England Water Science Center

2022 drought in New England

Introduction During April through September 2022, much of New England experienced a short but extreme hydrologic drought that was similar to the drought of 2020. By August 2022, Providence, Rhode Island, was declared a Federal disaster area, and New London and Windham counties in Connecticut were declared natural disaster areas. Mandatory water use restrictions were put in place in...
Authors
Dee-Ann E. Crozier, Jonathan Lenoir, Pamela J. Lombard
By
Water Resources Mission Area, New England Water Science Center, Drought

Non-USGS Publications**

12,000 years of landscape evolution in the southern White Mountains, New Hampshire, as recorded in Ossipee Lake sediments, https://www.cambridge.org/core/journals/quaternary-research/article/12000-years-of-landscape-evolution-in-the-southern-white-mountains-new-hampshire-as-recorded-in-ossipee-lake-sediments/F7F525C00469C6BA1FD08BB7FB8BD664

**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.

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A small rocky stream surrounded by fall foliage

Characterizing Future Climate and Hydrology in Massachusetts using Stochastic Modeling Methods

Communities across Massachusetts may face potential consequences of climate change, ranging from more extreme rainfall to more pronounced and frequent droughts. Climate change could alter the state’s hydrology in potentially complex and unanticipated ways. Typical approaches for projecting hydrologic risk under climate change can misrepresent and underestimate the variability of climate and...
By
New England Water Science Center
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Characterizing Future Climate and Hydrology in Massachusetts using Stochastic Modeling Methods

Communities across Massachusetts may face potential consequences of climate change, ranging from more extreme rainfall to more pronounced and frequent droughts. Climate change could alter the state’s hydrology in potentially complex and unanticipated ways. Typical approaches for projecting hydrologic risk under climate change can misrepresent and underestimate the variability of climate and...
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Screenshot of the Flood Insurance Map

Development of Flood Insurance Maps in New England

FEMA has requested USGS expertise in hydraulics, hydrology, and mapping to generate flood insurance maps for New England.
By
New England Water Science Center
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Development of Flood Insurance Maps in New England

FEMA has requested USGS expertise in hydraulics, hydrology, and mapping to generate flood insurance maps for New England.
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Vermont Flood of July 2023 Data

A major rain event caused catastrophic flooding from July 9 through 12, 2023, in various portions of the State of Vermont, resulting in millions of dollars of damage. The high amount of rainfall caused several rivers to peak at record levels, in some cases exceeding records set by Tropical Storm Irene in 2011. President Biden approved an Emergency Declaration for Vermont on July 11, 2023...
By
New England Water Science Center

Data from Across the USA Used to Assess the Uncertainty of Discharge Estimates Using a Modified Manning's Equation

An expanding effort exists to estimate discharge of rivers utilizing remote sensing measurements. The goal of this investigation is to evaluate the uncertainty associated with estimating streamflow using remote sensing practices. This data release contains in-situ observations of river width, depth, velocity, and discharge from 30 U.S. Geological Survey (USGS) gaged study reaches...
By
New England Water Science Center

Predicted Temperature and Precipitation Values Derived from Modeled Localized Weather Regimes and Climate Change in the State of Massachusetts

Predicted temperature and precipitation values were generated throughout the state of Massachusetts using a stochastic weather generator (SWG) model to develop various climate change scenarios (Steinschneider and Najibi, 2022a). This data release contains temperature and precipitation statistics (SWG_outputTable.csv) derived from the SWG model under the surface warming derived from the...
By
New England Water Science Center

Vermont Flood Data Viewer Comparing 2023 and 2011 High-Water Marks

Between 3 to 9 inches of rain fell within 48 hours across the state of Vermont over four days in July 2023 causing significant flooding and millions of dollars in damage. The high amount of rain caused several rivers to peak at record levels, in some cases exceeding records set during Tropical Storm Irene in 2011. This dashboard compares the high-water marks of the two storms.
By
New England Water Science Center
Record Low Water Levels Outlined in 2022 New England Drought Report

Record Low Water Levels Outlined in 2022 New England Drought Report

During last summer’s drought, flows at up to 54 out of 78 U.S. Geological Survey (USGS) streamgages and water levels at up to 95 out of 126 USGS...

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