Environmental Engineering Reference
In-Depth Information
Fig. 11.3
Basic meteorological measurements for the site of Negrisia
behaved as a carbon sink even after harvest. Orchards and vineyards seem to be
good candidates for mitigation practices, at least where an adequate water supply
allows the establishment of a grass cover and cultivation is reduced or suppressed.
11.1.2 Valle dell'Adige (Mezzolombardo, TN) Site
The Mezzolombardo site is located in a vineyard in the Valle dell'Adige
(Fig.
11.1
; see Sect.
2.2.25
for a description).
Mass and energy fluxes have been continuously measured since 2008 at the site
with an Eddy Covariance system mounted at a height of 7 m. The system consists
of a Gill R3 3-D ultrasonic anemometer (Gill Instruments Ltd., Lymington, UK) and
a Li-Cor 7500 open-path fast response infrared gas analyser (IRGA) (Li-Cor Inc.,
Lincoln, Nebraska, USA). Raw data are recorded at a frequency of 20 Hz and stored
every 30 min into separate files with the Edisol software. Along with flux measure-
ments, the tower is equipped with sensors for the measurement of standard mete-
orological parameters: short and long-wave radiation components (Kipp and Zonen
CNR1, Delft, The Netherlands), photosynthetic active radiation (LiCOR 190 SA,
Lincoln, Nebraska, USA), global solar radiation (LiCOR 200 SA, Lincoln, Nebraska,
USA), direct and diffused radiation (BF3, Delta-T Devices, UK), air humidity, air
temperature (Rotronic MP103A, Crawley, UK) and precipitation (Young 52202H,
Traverse City, Michigan, USA). Soil temperature is measured at depths of 2, 5, 10, 20
and 50 cm (STP01, Hukseflux, Delft, The Netherlands), while volumetric soil water
content is measured at 10 and 20 cm depths with CS615 reflectometers (Campbell
Scientific Inc., Logan, Utah, USA). All meteorological variables are recorded at
1-min intervals and averaged over 30 min; both 1-min recordings and averages are
stored on a CR23X datalogger (Campbell Scientific Inc., Logan, Utah, USA).
