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 Organization

NO 24
Acronym ENEA
Name Italian National Agency for New Technologies, Energy and Sustainable Economic Development
Address 1
Address 2
Address 3 Lungotevere Thaon di Revel, 76 - 00196 ROME - Italy
Country/Territory Italy
Website

 Contact(s)

Name Salvatore Chiavarini
Prefix Dr.
Email salvatore.chiavarini@enea.it
Organization No 24
Organization acronym ENEA
Organization name Italian National Agency for New Technologies, Energy and Sustainable Economic Development
Organization country/territory Italy
Address 1
Address 2
Address 3 ENEA-UTPRA Via Anguillarese, 301 00123 Rome, Italy
Country/territory Italy
Tel +39 06 3048 4663
Fax +39 06 3048 6678
Last updated date 2020-06-26


Name Damiano Sferlazzo
Prefix Dr.
Email damiano.sferlazzo@enea.it
Organization No 24
Organization acronym ENEA
Organization name Italian National Agency for New Technologies, Energy and Sustainable Economic Development
Organization country/territory Italy
Address 1
Address 2 Laboratory for Observations and Measurements for Environment and Climate
Address 3 Station for Climate Observations Contrada Capo Grecale 92010 Lampedusa Italy
Country/territory Italy
Tel +39 0922 970884
Fax
Last updated date 2020-07-13


 Background observation
 UTC
 ppt
 9999-12-31 00:00:00 - 9999-12-31 23:59:59: NOAA 2006
 9999-12-31 00:00:00 - 9999-12-31 23:59:59: Preconcentration system:(Markes international Air Server/Unity thermal Desorber).
GC 6890 + MS 5973N Agilent Technologies.(Gas chromatography (MS))
 9999-12-31 00:00:00 - 9999-12-31 23:59:59: 45 (m)
 weekly
 NOAA/CMDL 2006 scale. only a primary standard mixture is used for calibration.
Four measurements on each sample are performed and the mean value and standard deviation are calculated and reported.
Sequence of analysis alternates measurements of the primary standard with aliquots of the sample according to the following scheme:

Standard_a
Sample1
sample2
Standard_b
Sample3
Sample4
Standard_c

Bracketing of sample values with standard measurements are used for calibration (i.e. sample1 and sample2 values are calculated referring to a calibration curve obtained form the mean of standard_a and standard_b areas).


The reported values are the arithmetic mean of the 4 measurements (sample1-4) carried out on each flask sample.
 Four measurements on each sample are performed and the mean value and standard deviation are calculated and reported.
 [Hourly]
 [Daily]
 [Monthly] The reported data are the arithmetic mean of the values measured each month.
 A QC flag assignment of "1a" indicates the measurement result is preliminary and has not yet been carefully examined by the PI.The "1a" flag is removed once the quality of the measurement has been determined, and replaced with "C1-C4" flag.

C1: checked value obtained as the arithmetic mean of 4 measurements carried out on each sample.
C2:value obtained as the arithmetic mean of 3 measurements carried out on each sample (one rejected).
C3:value obtained as the arithmetic mean of 3 measurements carried out on each sample (2 rejected).
C4:value obtained from 1 measurement carried out on one sample (3 rejected).


X. : rejected as not representative of background conditions (>3 sigma from a fitted curve)

N. : rejected due to error in sampling or analysis
 Valid: 1a
 Temporarily suspended
 Samples are collected weekly in 6 L stainless steel canisters, whose internal walls are passivated by means of a silcosteel layer.
The canisters are first evacuated and then pressurized to 300 kPa. The samples are dried by a magnesium perchlorate trap.
Mixing molar ratio is determined in the Laboratory in Rome (ENEA-Casaccia).
 Wind direction:
 Wind speed:
 Relative humidity:
 Precipitation amount:
 Air pressure:
 Air temperature:
 Dew point temperature:
 Sea water temperature:
 Sea surface water temperature:
 Sea water salinity:
 Sea surface water salinity:
Meteorological data may remain as first provded, even when greenhouse gas data are updated.
 
1  Artuso, F., P. Chamard, S. Chiavarini, A. di Sarra, D. Meloni, S. Piacentino, and D. M. Sferlazzo, Tropospheric halocarbons and nitrous oxide monitored at a remote site in the Mediterranean, Atmos. Environ., 44, 4944-4953, 2010.
2  Artuso, F., P. Chamard, S. Chiavarini, A. di Sarra, D. Meloni, S. Piacentino, and D. M. Sferlazzo, Tropospheric halocarbons and nitrous oxide monitored at a remote site in the Mediterranean, Atmos. Environ., 44, 4944-4953, 2010.