Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report April 1 - June 30, 2007 Page: 4 of 6
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April 1 - June 30, 2007, DOE/SC-ARM/P-07-010
Table 1. Operational Statistics for the Fixed ACRF Sites for the Period April 1 - June 30,
Hours Of Operation Data Availability
Site Opsmax Actual Variance Goal Actual
NSA 1,965.60 1,878.20 +0.0445 0.90 0.86
SGP 2,074.80 2,067.50 +0.0035 0.95 0.95
TWP 1,856.40 2,045.70 -0.1020 0.85 0.94
Site Average 1,965.60 2,002.00 -0.0185 0.90 0.92
AMF (FKB) 2,074.80 2,060.20 +0.0070 0.95 0.94
2. Site Visit Requests, Archive Accounts, and Research Computer Accounts
Description. The Site Access Request System is a web-based database used to track visitors to
the fixed sites, all of which have facilities that can be visited. The NSA locale has the Barrow
and Atqasuk sites. The SGP site has a Central Facility, 23 extended facilities, 4 boundary
facilities, and 3 intermediate facilities. The TWP locale has the Manus, Nauru, and Darwin sites.
The AMF is currently operational in Haselback, Germany (FKB designation. NIM represents
the AMF statistics for the deployment in Niamey, Niger, Africa. PYE represents just the AMF
Archive statistics for the Point Reyes, California, past deployment in 2005. In addition, users
who do not want to wait for data to be provided through the ACRF Archive can request an
account on the local site data system. The eight research computers are located at the Barrow
and Atqasuk sites; the SGP Central Facility; the TWP Manus, Nauru, and Darwin sites; the DMF
at PNNL; and the AMF in Niger. In addition, the ACRF serves as a data repository for a long-
term Arctic atmospheric observatory in Eureka, Canada (80.05 N, 86.43 W) as part of the
multiagency Study of Environmental Arctic Change (SEARCH) Program. NOAA began
instrumenting the site in 2005 and currently cloud radar data are available. The intent of the site
is to monitor the important components of the Arctic atmosphere, including clouds, aerosols,
atmospheric radiation, and local scale atmospheric dynamics. Due to the similarity of ACRF
NSA data streams, and the important synergy that can be formed between a network of Arctic
atmospheric observations, much of the SEARCH observatory data is archived in the ARM
archive. Instruments will be added to the site over time. For more information, please visit
id=". The designation for the archived Eureka data is YEU and is now included in the ACRF
user metrics. This quarterly report provides the cumulative numbers of visitors and user
accounts by site for the period July 1, 2006 - June 30, 2007.
The U.S. Department of Energy requires national user facilities to report facility use by total
visitor days-broken down by institution type, gender, race, citizenship, visitor role, visit
purpose, and facility-for actual visitors and for active user research computer accounts. During
this reporting period, the ACRF Archive did not collect data on user characteristics in this way.
Work is under way to collect and report these data.
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Sisterson, D. L. Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report April 1 - June 30, 2007, report, July 1, 2007; United States. (digital.library.unt.edu/ark:/67531/metadc926789/m1/4/: accessed February 17, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.