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Measuring Ozone Down Under - How many ways can you measure ozone?
Published on Fri, 7 Dec 2001 10:52:20 -0700
An international intercomparison of ozone measuring instruments is taking place at the National Institute of Water and Atmospheric Research (New Zealand) laboratory at Lauder in Central Otago, New Zealan...

Dave Evans at the South Pole
Published on Wed, 28 Nov 2001 12:29:59 -0700
On November 27, 2001, the Assistant Administrator for NOAA's Office of Oceanic and Atmospheric Research (OAR), Dave Evans, visited the U.S. Amundsen - Scott Station at the geographic south pole. Dave w...

2001 Ozone Hole Holding on at South Pole
Published on Thu, 15 Nov 2001 01:02:45 -0700
The development of the ozone hole during September was very similar during the last three years. The minimum total column ozone occurred around September 29th, reaching 90, 98, and 100 ?5 Dobson Units i...

Mauna Loa Observatory Funded for NASA Satellite Verification
Published on Tue, 23 Oct 2001 06:00:00 -0600
A NOAA lidar (laser radar) will be operated to provide validation data for the NASA Atmospheric Infrared Sounder (AIRS) that will be on the NASA/AQUA (PM) satellite, scheduled for launch in April, 2002....

Installation of new CFC instrument in South America
Published on Mon, 22 Oct 2001 06:51:37 -0600
Two scientists from NOAA?s Climate Monitoring and Diagnostics Laboratory (CMDL) will be installing the first real-time atmospheric monitoring system for ozone-depleting chemicals (chlorofluorocarbons - ...

Healing the Ozone Layer with Small Brushes
Published on Tue, 9 Oct 2001 06:00:00 -0600
The Climate Monitoring and Diagnostics Laboratory (CMDL) recently added a collection of pictures related to the ozone layer created by children around the world. These images are intended to unite human...

2001 Ozone Hole Animation
Published on Wed, 19 Sep 2001 09:30:56 -0600
You can watch the development of the ozone layer and temperature profile over the South Pole for the entire year 2001 in an animation at the URL given below. The data are derived from instrumented ball...

Watch the Sun come up at the South Pole
Published on Wed, 19 Sep 2001 09:13:38 -0600
Live web cameras are operating from NOAA/CMDL's atmospheric monitoring station at the South Pole. During approximately half the day a communications satellite is visible above the horizon and pictures ...

OZONE HOLE FORMS OVER ANTARCTICA
Published on Fri, 14 Sep 2001 10:20:46 -0600
The ozone hole that develops each year over Antarctica has reached about the same magnitude in 2001 as those of the past several years, but likely will not cover as large a geographic area as last year....

High Levels of Atmospheric Mercury Measured at NOAA/CMDL Baseline Stations
Published on Thu, 13 Sep 2001 01:26:11 -0600
Environmental contamination from mercury has been recognized for decades as a growing problem to humans and wildlife as it readily enters the food chain and is bio-accumulated. The most significant rel...

Measuring Ozone-depleting Gases from Plants in a Hydroponic Greenhouse
Published on Mon, 30 Jul 2001 02:06:01 -0600
In a sealed-up tomato greenhouse in Northern California earlier this month, NOAA/CMDL and University of Colorado scientists looked to find if common, terrestrial plants make or remove atmospheric methyl...

Atmospheric Greenhouse Gas Trend Update
Published on Fri, 27 Jul 2001 10:01:02 -0600
Trends in the major long-lived greenhouse gases (carbon dioxide, methane, nitrous oxide and the main chlorofluorocarbons) have been updated through the year 2000. The results are at the URL given below...

New CMDL Home Page
Published on Fri, 13 Jul 2001 06:00:00 -0600
In order to better explain what the Laboratory's goals and programs are, we have redesigned the CMDL Home Page highlighting the Lab's three main areas of research: Climate, Ozone Depletion and Baseline ...

TROICA Update
Published on Tue, 3 Jul 2001 06:57:17 -0600
I received a call from Jim Elkins Tuesday July 3 at 0715 (1215 am Eastern-Siberian time), reporting on TROICA (Trans-Siberian Observations in Chemistry of the Atmosphere). The Trans-Siberian railway, on...

Sniffing the Air Along the Trans-Siberian Railway
Published on Mon, 2 Jul 2001 06:01:00 -0600
CMDL is participating in the TROICA (Trans-Siberian Observations in Chemistry of the Atmosphere) expedition using the Trans-Siberian Railway between Moscow and Khabarovsk. James Elkins, Dale Hurst and P...

Mid-Winter Greetings from the South Pole
Published on Thu, 21 Jun 2001 08:19:19 -0600
Greetings Everyone!

We wish you the best of summer and please don't forget to send the sun back this way!

Below is a link to our mid-winter greetings to the stations ...

Mauna Loa Observatory Planning To Operate On Solar Voltaics
Published on Thu, 14 Jun 2001 12:00:49 -0600
The NOAA/CMDL Mauna Loa Observatory (MLO), Big Island Hawaii, is located at 4000 m above sea level in mostly year around cloud free skies. The observatory spends $30 k/yr on high priced electricity gen...

Update on Planning for Research of the North American Carbon Cycle
Published on Thu, 14 Jun 2001 11:58:15 -0600
A large scale effort is being planned to quantify regionally resolved sources and sinks for carbon dioxide and other important carbon gases (methane, carbon monoxide, selected non-methane hydrocarbons) ...

CMDL Research at South Pole Featured in Ripley's "Believe It Or Not"
Published on Fri, 18 May 2001 01:37:11 -0600
Jim Butler and Andy Clarke of CMDL spent a good part of January camped out near the South Pole, drilling into the 120 meter "firn" (compacted snow) to extract an air sample "archive." Ripley's found it...

Samoa Baseline Observatory Goes Solar
Published on Sun, 13 May 2001 01:10:00 -0600
Solar generated electricity began providing up to 30% of the daytime power requirements at the Samoa CMDL Baseline Observatory in early May. Observatory staff along with professors and students from Ame...

100-Year South Pole Air to Solar Radiation: and Everything in Between
Published on Mon, 7 May 2001 01:26:14 -0600
Scientists attending the CMDL Annual Scientific Meeting, May 16 and 17, Boulder, CO will present data and research results in 50+ papers on topics ranging from trace gas concentrations in South Pole ice ...

Carbon Monoxide Measurements in the Mongolian Desert Dust Cloud at Boulder
Published on Tue, 1 May 2001 08:29:28 -0600
The Mongolian desert dust cloud which passed over Boulder during the April 13-18 period apparently also contained carbon monoxide, possibly entrained as the cloud passed over industrial regions between A...

Dust Cloud over Boulder, Colorado
Published on Fri, 13 Apr 2001 12:47:28 -0600
A huge storm over Southern and Inner Mongolia during the April 3-6 period lifted desert dust up into the jet stream. A Seawifs image can be observed at:

http://www.nrlmry.navy.mil/aer...

CMDL Biennial Summary Report in the Mail
Published on Thu, 8 Mar 2001 10:23:09 -0700
The Climate Monitoring and Diagnostics Laboratory has been issuing biennial reports since 1994. Prior to that time the reports were issued on an annual basis and go back to 1972 when CMDL's predecessor,...

Into the Arctic to Better Observe and Understand Greenhouse Forcing of Climate.
Published on Fri, 2 Mar 2001 06:01:00 -0700
CMDL, in cooperation with the World Climate Research Program and the Dept. of Energy's Atmospheric Radiation Program, is conducting a greenhouse radiation (infrared radiation flux) measurement standardiz...

A New Siberian Baseline Station?
Published on Mon, 19 Feb 2001 09:13:51 -0700
A group of OAR scientists are traveling to Russia this week, under funding from the U.S. State Department, to discuss the establishment of a Siberian atmospheric monitoring station to conduct a suite of...

An Ozone Milestone: Science Magazine Report on the AGU Fall Meeting
Published on Tue, 6 Feb 2001 07:41:41 -0700
A summary of measurements of ozone-destroying gases, reported by CMDL researchers Jim Elkins and Dale Hurst at the American Geophysical Union meeting in December, 2000, and feedback by other scientists w...

The Global Atmospheric Methane Increase of 1998
Published on Fri, 26 Jan 2001 10:28:36 -0700
In the February 1, 2001 issue of Geophysical Research Letters, Ed Dlugokencky, of the NOAA Climate Monitoring and Diagnostics Laboratory (CMDL), and co-authors with NASA/GISS (Columbia University), the ...

Scientists to Collect 20th Century Air Archive at South Pole
Published on Tue, 9 Jan 2001 10:46:01 -0700
A team of University and NOAA Scientists have arrived at the South Pole with a mission to obtain an archive of 20th century air buried in the snow. The six field investigators will draw air from borehol...