Exceptionally Warm Winter Temperatures at Barrow, Alaska Baseline Observatory
Published on 12th Dec, 2007 09:55:45 AM PST
At the NOAA ESRL Barrow, Alaska, in November of this year, the average temperature at the observatory was +14.3F (+8C) warmer than the monthly norm.

AirCore: Elegant, Cost Effective Method to Collect Trace Gas Profiles
Published on 29th Nov, 2007 10:58:30 AM PST
NOAA/ESRL scientists from the Carbon Cycle and Greenhouse Gases group are testing a novel and very cost effective method of collecting high resolution vertical profiles of trace gas concentrations.

CIRES/ESRL Scientists at the Center of Large Scale Water Vapor Intercomparison
Published on 29th Nov, 2007 11:01:14 AM PST
Twenty four instruments from 17 research groups located in 7 countries joined in an international effort called Aqua Validation and Instrument Tests (AquaVIT) to resolve discrepancies in atmospheric water vapor measurements.

NOAA Researcher: 2002 Drought Left Millions of Tons of Extra Carbon Dioxide in Earth's Atmosphere
Published on 26th Nov, 2007 10:15:14 AM MST
A new NOAA study, appearing in the current issue of the Proceedings of the National Academy of Sciences, shows how a prolonged drought in North America in 2002 cut the continent's natural uptake of carbon dioxide (CO2) in half..,

NOAA Celebrates 50-Year Carbon Dioxide Record
Published on 26th Nov, 2007 11:25:28 AM MST
Fifty years ago the U.S. Weather Bureau, predecessor of NOAA's National Weather Service, helped sponsor a young scientist from the Scripps Institution of Oceanography to begin tracking carbon dioxide in Earth's atmosphere at two of the planet's most remote and pristine sites: the South Pole and the summit of the Mauna Loa volcano in Hawaii.

Antarctic Ozone Hole Returns to Near Average Levels - Improvement Noted After Last Year's Record Breaker
Published on Wed, Nov 1st 09:35:00 PM
The size of this year's Antarctic ozone hole is slightly above the 10-year average in both depth and overall area, NOAA scientists announced.

Conference Marks 50th Anniversary of Global CO2 Record
Published on Wed, Oct 31st 04:15:22 PM
The 50th anniversary of the global CO2 record, begun by Dr. Charles David Keeling at the South Pole and in Hawaii in 1957, will be celebrated at a symposium in Kona, Hawaii, near the Mauna Loa Observatory, on 28-30 November 2007.

The Sun returns... finally; South Pole, September 23, 2007
Published on Tues, Sept 25th 05:35:22 PM   (PDF Available)
NOAA/ESRL South Pole Baseline Atmospheric Research Observatory personnel, Johan Booth and Emrys Hall, who are wintering over at the U.S. Amundsen-Scott South Pole Station, finally saw the sun return to the polar plateau after 6 months of darkness.

2007 Antarctic Ozone Hole off to a Robust Start Over South Pole
Published on Tues, Sept 11th 05:35:22 PM   (PDF Available)
NOAA Earth System Research Laboratory balloon-borne ozonesonde measurements from the South Pole show that the seasonal ozone hole has begun with September soundings following a similar trajectory to those of the past 15 years toward large ozone losses by the end of the month.

Record Air Temperature for the NOAA Barrow, Alaska Atmospheric Observatory
Published on Tues, Sept 4th 10:58:41 PM   (PDF Available)
On July 7, 2007 ambient air temperature reached 75.2 F at the Barrow Observatory, the highest ever recorded at the observatory since the measurement began, February 1973.

A Picture of Atmospheric Carbonyl Sulfide: Strong Ties to Photosynthesis
Published on Tues, July 31st 01:35:22 PM   (PDF Available)
A publication authored by NOAA/ESRL and Cooperative Institute for Research in Environmental Sciences (CIRES) scientists titled “On the global distribution, seasonality, and budget of atmospheric carbonyl sulfide (COS) and some similarities to CO2” (Montzka et al., 2007) appeared recently in the Journal of Geophysical Research.

Gas Chromatograph Installed and Operating at Summit, Greenland Observatory
Published on Wed, July 25th 01:32:26   (PDF Available)
Brian Vasel and Don Neff, scientists from NOAA/ESRL, installed a gas chromatograph at the Summit, Greenland atmospheric observatory to measure climate forcing gases from the extreme, high altitude polar environment of continental Greenland.

Increasing Understanding of Tropical Clouds on Climate
Published on Fri, July 6th 09:39:22 -0700   (PDF Available)
The tropics provide the "pump" for the heat balance of the earth's atmosphere. The coupling of clouds and climate in the tropical troposphere is not well understood.

ESRL Scientists Studying Cloud/Aerosol Interactions In National Field Program
Published on Fri, June 13 11:55:32 -0700   (PDF Available)
A month-long, multi-agency, Cumulus Humilis Aerosol Processing Study (CHAPS) began on June 1, focused on how aerosol particles affect cloud properties in the skies over Oklahoma...

Improved Nitrous Oxide Calibration Scale Developed by NOAA/ESRL
Published on Fri, June 8 11:11:12 -0700   (PDF Available)
NOAA/ESRL and Cooperative Institute for Research in Environmental Sciences (CIRES) scientists are authors of a just published paper "The NOAA Nitrous Oxide Standard Scale for Atmospheric Observations" (Hall et al., 2007, Journal of Geophysical Research)...

Climate Change Affects Southern Ocean Carbon Sink
Published on Wed, 23 May 2007 9:51:41 -0700   (PDF Available)
A NOAA ESRL scientist was an author on a paper published in Science last week that presents evidence that recent climate change has weakened one of the Earth's natural carbon 'sinks' the Southern Ocean.

NOAA Scientists Receive EPA Stratospheric Ozone Protection Award
Published on Wed, 17 May 2007 9:31:37 -0700   (PDF Available)
Steve Montzka, Brad Hall, Jim Butler, and Jim Elkins of NOAA/ESRL and Geoff Dutton of CIRES received the 2007 Stratospheric Ozone Protection Award from the U.S. EPA for "Measuring the effectiveness of the Montreal Protocol in Reducing Chlorine/Bromine Loading and Repairing the Ozone Layer"...

NOAA Earth System Research Laboratory Global Monitoring Conference, Boulder
Published on Wed, 9 May 2007 9:22:55 -0700   (PDF Available)
On May 2-3, 2007, over 200 participants from 16 countries and 17 of the United States attended the 36th annual meeting of scientists who monitor the changing composition of the global atmosphere...

The Sun Sets After One Long Summer Day; South Pole, March 22, 2007
Published on Wed, 21 Mar 2007 14:07:05 -0700   (PDF Available)
Two NOAA/ESRL personnel are wintering over at the U.S. Amundsen-Scott South Pole Station and will soon watch the final glimmer of the sun sink below the horizon as the polar plateau settles into 6 months of darkness...

New Measurement Product for Particulate Air Pollution Released
Published on Wed, 21 Feb 2007 12:01:51 -0700   (PDF Available)
The National Oceanic and Atmospheric Administration (NOAA) Earth System Research Laboratory, Global Monitoring Division has released a new high (2minute) resolution measurement of the cumulative reducti...

The first-ever, all-woman winter crew at Summit Observatory, Greenland
Published on Thu, 1 Feb 2007 07:38:29 -0700   (PDF Available)
The team has maintained and operated the station physical plant, conducted a wide range of scientific measurements, and launched research balloons in temperatures as cold as -80F over the past 3 months a...