Do We Really Need to Im prove our M onitoring Netw ork s?

M e te o-H ydrologicalFore cas tand O bs e rvations for Im prove d W ate r M anage m e ntin th e Alps
D o W e R e ally Ne e d to Im prove our M onitoring Ne tw ork s ?
Paolo Battis tutta, Andre a Be llan, Ales s io Bre zigar, Ivan Ch ius s o, Ales s andro Gim ona,
D avide Pas colo, Furio Pie ri, M auro Tre vis an
O SM ER - AR PA FVG
R e gionalAge ncy for th e Environm e ntalProte ction ofFriuli Ve ne zia Giulia
W e ath e r m onitoring ne tw ork s re ach an incre dibly h igh de ns ity on th e Alpine are a, ne ve rth e les s alm os t
e ve ry EU Proje ct re fe rring to th e Alpine Space include s in its fore s e e n activitie s th e im prove m e nt of
th os e ne tw ork s . Th e s e im prove m e nts are ne ce s s ary atleas tfor th re e m ain re as ons :
1) Alpine Space is ch aracte rize d by an e xtre m e orograph ic variability and th e curre nt m onitoring
ne tw ork s do noth ave a s ufficie ntde ns ity to catch th is variability;
2) e ve ry m onitoring ne tw ork w ork s w ith its ow n "m onitoring s trate gy", th is to optim ize th e data
collection and diffus ion w h ich , inde e d, produce cons traints in th e m onitoring proce dure its e lf;
3) e ve ry m onitoring ne tw ork is us ually de ve lope d and tune d for a re s tricte d s e tof ph e nom e na/variables .
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In th e fram e of FO R ALPS W P6,
O SM ER -AR PA FVG ins talled a s e t
of th re e e xpe rim e ntal w e ath e r
s tations to m onitor pre vious ly
uncove re d are as of Friuli Ve ne zia
Giulia (above point 1.); to collect
data in q uas i-re al-tim e m ode (above
point 2.); to us e th e m in conjunction
w ith th e alre ady available and
ne w ly de ve lope d R AD AR s ys te m s
(above point3.).
Th e M unicipalitie s of th e are as w h e re th e m onitoring
ne tw ork h ad to be im prove d w e re involve d for th e
pos itining of th e ins trum e nts as w e llas for th e s us tain of th e
ins trum e nts ins tallation (pre paration of th e s ite , cableing,
pow e r s upplying, e tc.). For th is re as on th e data collecte d
th rough th e s e w e ath e r s tations are curre nlty ope rationally
s e nt to th e s e M unicipalitie s and th is collaboration w ill
continue afte r th e financiale nd of th e FO R ALPS proje ct.
FO R ALPS W P6 "M onitoring"
Cave de lPre dil
Th e s e w e ath e r s tations , bas e d on th e
GPR S trans m is s ion s ys te m , are
curre ntly fully inte grate d in th e pre e xis ting ne tw ork and h ave a w ork ingcos t (data-trans m is s ion) rough ly one
orde r of m agnitude low e r th an th at of
th e form e r s tations . Th ank s to th e ir
q uas i-re al-tim e m ode (5' tim e -lag),
th e y can be us e d for th e re al-tim e
calibration of R AD AR rain e s tim ate s
and for now cas ting purpos e s .
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Salzburg 28 Nove m be r 2007