Instrument

HR-AMS
CU Aircraft High-Resolution Time-of-Flight Aerosol Mass Spectrometer

The HR-AMS is an upgraded version of Aerodyne’s AMS instrument. HR-AMS has a high spatial resolution and a time-of-flight measurement technique. HR-AMS is a mass spectrometer that measures aerosols in the troposphere.

NASA's DC-8 flying laboratory passes Antarctica's tallest peak, Mount Vinson, on Oct. 22, 2012, during a flight over the continent to measure changes in the massive ice sheet and sea ice. Credit: NASA/Michael Studinger (Photography courtesy NASA Images)

Overview

Instrument Details

Measurement Type

Spectrometer/Radiometer

Measurement/Variables

Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane

Earth Science > Atmosphere > Aerosols > Sulfate Particles

Earth Science > Atmosphere > Aerosols > Organic Particles

Earth Science > Atmosphere > Aerosols > Nitrate Particles

Vertical Measurement Regions

Troposphere

Temporal Resolution

1 min

Spatial Resolution

35nm-1.5μm

Measurement Frequency

100-150 Hz

Calibration Details

https://doi.org/10.1021/ac061249n

Online Information

https://airbornescience.nasa.gov/instrument/HR-AMS

Lead Investigator
Jose-Luis Jimenez
Technical Contact
Jose-Luis Jimenez
Instrument Maker
Currently unavailable
Funding Source
NSF, NASA
Overview Publications
Overview Publication
Repository
- Oak Ridge National Laboratory DAAC (ORNL)

Instrument Operation

Platform

Campaigns, where the platform was used with this instrument

DC-8

Douglas DC-8

44 Campaigns · 180 Instruments

SEAC4RS

Studies of Emissions and Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys

2013

North America including portions of Canada, Mexico and the Gulf of Mexico

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· 20 Data Products

ARCTAS

Arctic Research of the Composition of the Troposphere from Aircraft and Satellites

2008

Alaska, Western Canada, California

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· 27 Data Products

KORUS-AQ

Korean United States - Air Quality

2016

South Korean peninsula, including surrounding seas

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· 20 Data Products

ATom

Atmospheric Tomography Mission

2016—2018

Western Arctic, South Pacific, Atlantic Ocean, Greenland, Central North America

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· 41 Data Products

FIREX-AQ

Fire Influence on Regional to Global Environments and Air Quality

2019

Northwestern and Southeastern US

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· 27 Data Products

SARP

Student Airborne Research Program

2009—2026

Southern California, Virginia

Ongoing

view all deployment dates

Deployment Dates

Start Date	End Date
2025-06-15	2025-08-02
2025-06-22	2025-08-09
2009-07-12	2009-08-13
2010-06-20	2010-07-30
2011-06-19	2011-07-29
2012-06-17	2012-08-10
2013-06-09	2013-08-02
2014-06-15	2014-08-08
2015-06-14	2015-08-07
2016-06-12	2016-08-05
2017-06-18	2017-08-11
2018-06-18	2018-08-10
2019-06-16	2019-08-09
2021-12-03	2021-12-10
2022-06-12	2022-08-05
2023-06-11	2023-08-04
2023-06-18	2023-08-11
2024-06-16	2024-08-09
2024-06-23	2024-08-16