570000

570000

630000

630000

690000

690000

750000

750000

4670

000

4670

000

4730

000

4730

000

4790

000

4790

000

4850

000

4850

000

4910

000

4910

000

13°0'0"E

12°0'0"E

12°0'0"E

11°0'0"E

11°0'0"E

44°0

'0"N

44°0

'0"N

43°0

'0"N

43°0

'0"N

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(!(

!(!(!(

!(

!(

!(!(!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!( !(

!(

!(!(

!(

!(

!(

!(!(!(!(!(!(!(

!(!(

!(!(

!(

!(!( !(

!(

!(

!(!(

!(!(!(

!(!(!(

!(!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!( !(

!(

!(

!( !(

!(

!( !(!(

!(!(!( !(!( !(!(!(

!(

!(

!(

!(

!(!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!( !( !(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(!(

!(

!(!(

!(!(

!(!(

!( !(!(!(!(

!(!(!(!(

!(!(!(!(

!(!(!(

!(

!(!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(!(!(

!(!(

!(!(!(!(!(!(

!(

!(

!(

!(!(

!(

!(

!(!(

!(

!(

!(!(!(

!(!(!(!(

!(

!(

!(!(!(

!(

!(

!(

!(

!(

!(

!(!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!( !(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(!(

!(

!(!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!( !(

!(

!(

!(!(

!(

!(!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!( !(

!(!(

!(

!(!(

!(

!(!(

!(

!(

!(

!(!(

!(!(

!(

!(

!(

!( !(

!(

!(

!(

!(

!(!(

!(!(!(

!(

!(!( !(

!(!(!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(!(

!(

!(

!(!(!(!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(!(

!(!(

!(

!(!(!(

!(!(!(!(!(!(!(!(!(!(!(!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(!(

!(

!(

!(!(

!(!(!(!(

!(

!(

!(

!(!(

!(

!(!(

!(

!(!(!(!(!(

!(

!(

!(!(!(

!(

!(!(

!(

!(

!(!(

!(!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(

!(!(!(!(!(

!(

!(!(!(

!(

!(!(

!(

!(

!(

!(

!(!(!(

!(

!(

!(

!(

!(!(!(

!(

!(

!(!(

!(

!(

!(

!(

!(

!(

!(!(!(

!(!(

!(!(

!(

!(!(

!(!(!(!(

!(

!

!!

!

!

!

!

!

! !

!

!

!

!

!

!

!

!!

!

!

!

!

!

! !

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!

!

!

!

!! !

!

!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

!!

! !

!

!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

! !

!

!

!

!!

!

!!

!

!

!

!

!

!

!

!

!

! !

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

! !

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

! !

!

!

!

!

!

!!

!

!!

!

!

!!

!

!

!

!

!

!

!

!

!

!

! !

!

!

!

!

!

!

!

!

!!!

!

!!

!!

!

!

!

!

!

!

!!

!

!

!

!

!

!

!

!!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

!

! !

!!

!

!

!

!

!

!!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!!

!

!

!

!

!!

!

!!

!!

!

!

!

!!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!

!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!!!

!

!!

!

!

!

!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!!

!!!!

!

!

!

!

!

!

!

!

!

!

!

!

!!

!

!

!

!!

!

!

!

!

!

!

!!

!

!

!

!

!

!

!

!

!

!

!

!!

!!

!

AREZZO

GROSSETO

LIVORNO

LUCCA

MASSA

PISA

PISTOIA

PRATO

SIENA

CARRARA

FIRENZE

CastiglionFiorentino

Cortona

San GiovanniValdarno

Bibbiena

Montevarchi

Sansepolcro

TerranuovaBracciolini

Castelfiorentino

Bagno aRipoli

Impruneta Reggello

Montespertoli

San Cascianoin Val

di Pesa

Borgo SanLorenzo

Calenzano

Certaldo

Lastraa Signa

Empoli

Fiesole

FiglineValdarno

Fucecchio

Scandicci

Vinci

SestoFiorentino

MontelupoFiorentino

Pontassieve

MonteArgentario

CampiBisenzio

Signa

Greve inChianti

Follonica

Orbetello

CampigliaMarittima

Portoferraio

Piombino

Cecina

Barga

Camaiore

Collesalvetti

RosignanoMarittimo

Seravezza

Viareggio

Altopascio

CapannoriMassarosa

Montignoso

Pietrasanta

Aulla

Cascina

Santa Croce sull'Arno

Volterra

Pontedera

SanMiniato

SantaMaria a

Monte

Vecchiano

Ponsacco

Castelfranco di Sotto

Agliana

Quarrata

Pescia

Carmignano

MontemurloSerravallePistoiese

Montale

Montecatini-TermeMonsummanoTerme

Colle diVal d'Elsa

Montepulciano

Poggibonsi

Sinalunga

SanGiuliano

Terme

RosignanoSolvay

Fi ume Serc hio

T orrente Chiani

Fiu

me G ot

tero

F iu me Me rs e

Fiume Niccon e

Fiume A rno

Fiume Bisenzio

Fiume Vara

Fiume Orcia

Fiume Ombr one

Fiume Albe g na

Fiume Arbia

Fiume Tevere

Fiu

me Fiora

Torren te Pesa

Fi ume Serchio

Fiume B aganza

Fiume Còrn ia

Tor ren

te S illaro

F iume Elsa

Fiu me Ombr one

Fium e Secc hia

Fiume Ren o

Fiume Tev e re

Fiume Santern o

Fiume Lim a

Fi ume Sieve

F iume Magra

Fiume Arno

Fiu me Pag lia

Fiume Ser ch io

Torren

te Enza

Fiume Ombron e

Fiu

me Ombrone

Fiume G reve

Fiume Era

Torr ente Setta

Fi ume Cec ina

Fiume N est ore

Fiume M

are cch

ia

F iume Lama

Fiume Sieve

F iume Fogl i aFiume Arn o

Fiume Magra

Fi ume Omb rone

Torrent

e Se nio

Fiu me Lamone

Fiume Savio

Fiume Biden te

Fiume Arno

Fiume Montone

Fium e Savi

o

Fium

e Rabb i

Fiume Bruna

Fiume Arno

Fium e Arno

Canale Maestro della Chiana

TOTAL NATURAL RADIOACTIVITY MAP OF TUSCANY (ITALY)

CARTOGRAPHIC REFERENCE SYSTEM ED50 UTM ZONE 32 - CARTESIAN LATTICE IN BLACKGEOGRAPHIC COORDINATES REFER TO THE ED50 GEODETIC SYSTEM IN BLUE

Franc

e

SwitzerlandAustria

CroatiaSlovenia

Bosnia& Herz.

Tunisia

Hungary

Mediterranean Sea

Adriatic Sea

TirrhenianSea

Ionian

Sea

I t a l y

TuscanyRegion

Germany

Callegari I.a, Bezzon G. P.b, Broggini C.c, Buso G. P.b, Caciolli A.c, Carmignani L.a, Colonna T.a, Fiorentini G.b,d,e, Guastaldi E.a, Kaçeli Xhixha M.f, Mantovani F.d,e, Massa G.a, Menegazzo R.c,

Mou L.b, Pirro A.a, Rossi Alvarez C.c, Strati V.b,d, Xhixha G.d,e,g, Zanon A.ba University of Siena, Center for GeoTechnologies, Via Vetri Vecchi, 34 - 52027 San Giovanni Valdarno, Arezzo, Italy.b Istituto Nazionale di Fisica Nucleare (INFN), Legnaro National Laboratory, Via dell’Università, 2 - 35020 Legnaro, Padova, Italy.c Istituto Nazionale di Fisica Nucleare (INFN), Padova Section, Via Marzolo 8 - 35131 Padova, Italy. d University of Ferrara, Physics and Earth Science Department, Via Saragat, 1 - 44100 Ferrara, Italy.e Istituto Nazionale di Fisica Nucleare (INFN), Ferrara Section, Via Saragat, 1 - 44100 Ferrara, Italy.f University of Sassari, Botanical, Ecological and Geological Sciences Department, Piazza Università 21- 07100 Sassari, Italy.g Agricultural University of Tirana, Faculty of Forestry Science, Kodër Kamëz - 1029 Tirana, Albania.

The total area of 22.994 km of Tuscany Region (Italy) was investigated for the characterization of natural radioactivityby collecting 865 rock samples. The sampling was guided by criteria closely related to the reference geological information (geological map of Tuscany at scale 1:250.000). Except for alluvial deposits, the samples come from fresh outcrops of rock, selected in order to characterize the composite lithologies of the geological groups. In particular,attention was paid that the sampling would allow a coherent statistical coverage of the 45 geological groups. We have collected in average at least one sample for 80 km , with an overall average of one sample each 25 km .By using a geographical information system (GIS), we performed a re-classification of the geological groups based on their radiometric response. For building the map of the total activity we analyzed the distributions of K, U and Th for each geological group. We rejected 28 records which are found to be outliers (i.e. exceeding the median ± 1.5 Inter Quartile Range) of the box-plot representations. After this analysis, we calculate the median and 1σ uncertainty of the total activity, referred to each geological groups. We realized the classification of each geological group through the median total activity. In order to avoid arbitrary classes and any distribution of input records, we chose the percentiles which are simply based on order statistics to represent the total activity map. We identified 7 classes of total activity choosing 10%, 30%, 50%, 70%, 85% and 100% percentiles, almost evenly spread across the range of values. In order to emphasize the "high" values we added an additional class of total activity chosen at 95% percentile.

Descrittive notes2

22

40 232238

0 5 10 15 20 25 302.5km

Scale 1:300000

© Journal of Map, 2013

Total Radioactivity (Bq/kg)Percentile95-10085-9570-8550-7030-5010-300-10

1643-3761886-1643712-886553-712259-55352-2597-52

Legend

! ! ! Border of Tuscany Region

LakeRiverGeological Formations limits

Town!( Rock sample

Lago Trasimeno

Lago di Bilancino

Lagunadi Orbetello