poster - International Conference of Agricultural Engineering

TABLE 2: CN emp values obtained for 46 Sicilian watersheds using NEH4 method and
asymptotic fitting method by D’Asaro & Grillone (2012) and CN w derived using handbook
tabulated CN for 36 out of 46 Sicilian basins by Viola et al. (2011).
ID
Station
Station
Watershed
Number of
events
NEH4 METHOD
(natural data,
=0.20, median
CNs=CN emp )
ASYMPTOTIC FITTING
METHOD (ordered data,
=0.20, CN ∞ =CN emp )
CN w from
handbook
tables
CN ∞ behavior
1 Falcone Elicona 657 88 54 standard 70
2 Aculeia Pollina 319 87 56 standard
3 Ponte Vecchio Castelbuono 592 88 68 standard 74
4 Bivio Cerda Torto 469 89 76 standard 80
5 Monumentale S. Leonardo 1072 91 79 standard 79
6 Lupo Eleuterio 972 91 77 standard 73
7 Rossella Eleuterio 230 88 63 standard
8 Serena Valle dell'Acqua 1095 86 70 standard 74
9 Risalaimi Eleuterio 806 90 71 standard 76
10 Parco Oreto 1633 88 61 standard 74
11 Zucco Nocella 1204 84 57 standard 74
12 Fellamonica Iato 472 90 79 standard 79
13 Taurro Iato 374 91 83 standard
14 Alcamo Scalo Fiumefreddo 236 88 70 standard 81
15 Lentina Forgia 503 89 66 standard
18 Pozzillo Delia 659 88 80 violent
20 Casebalate Belice sinistro 835 91 81 standard
21 Finocchiara Senore 376 89 72 standard 79
22 Ponte Belice Belice 921 90 77 standard 79
24 Passofonduto Platani 1019 89 65 standard 80
28 Capodarso Imera Merid. 839 90 71 standard 80
29 Donna Paola Gibbesi 353 89 60 standard
30 Drasi Imera Merid. 1055 90 65 standard 79
31 Castello Castello 416 88 50 standard 76
36 Casecelso Girgia 439 90 72 standard
37 Bozzetta Dittaino 431 89 67 standard
38 Case Carella Crisà 812 91 80 violent
39 Chiusitta Saraceno 478 89 76 standard 66
41 Alcantara Alcantara 893 90 54 standard 70
42 S. Giacomo Alcantara 468 87 68 standard 69
43 Ponte Grande Isnello 450 88 66 standard 70
44 Scillato Imera Settent. 697 90 73 standard 77
Roccapal.
Scalo Torto 454 90 78 standard 81
45
46 Vicari S. Leonardo 451 91 78 standard 80
47 Milicia Milicia 602 90 74 standard 81
48 Sapone Baiata 535 87 70 standard 85
49 Rinazzo Chitarra 263 89 88 violent 80
50 Re Giovanni Gangi 521 90 68 standard 81
51 Besero Imera Merid. 269 91 71 standard 79
53 Raffo Salso 480 92 82 standard 80
54 S. Pietro Ficuzza 456 88 59 standard 77
55 Noto Asinaro 328 88 58 standard 76
56 S. Nicola Anapo 809 91 62 standard 69
57 Rappis Trigona 258 89 78 standard 56
58 Serravalle Troina di Sopra 590 90 70 standard 80
59 Torricchia Sciaguana 406 90 68 standard 78
Mean 613 89 70 76
Statistics
Median 492 89 70 79
Stand. Dev. 302 1.60 8.77 5.58
max 1633 92 88 85
min 230 84 50 56