A Novel Method for Evaluating Dredging Productivity Using a Data Envelopment Analysis-Based Technique

Table 10

Daily dredging productivity of Cao Gongzhao II by the traditional dredging productivity method.

Work day	Input	Output	Output/Input
	Convert to single input	Daily dredging (M^3)	Daily dredging productivity
1	0.867	320	369.231
2	0.756	6012	7957.059
3	0.683	6210	9087.805
4	0.628	8033	12795.929
5	0.650	8217	12641.538
6	0.789	8210	10407.042
7	0.783	8858	11308.085
8	0.789	10423	13212.254
9	0.789	10713	13579.859
10	0.789	10785	13671.127
11	0.789	10634	13479.718
12	0.789	10220	12954.930
13	0.789	12031	15250.563
14	0.789	12523	15874.225
15	0.817	12666	15509.388
16	0.817	12804	15678.367
17	0.844	14181	16793.289
18	0.944	8091	8566.941
19	0.867	14518	16751.538
20	0.839	14312	17060.662
21	0.817	15270	18697.959
22	0.794	15373	19350.629
23	0.794	15413	19400.979
24	0.844	16211	19197.237
25	0.811	16503	20346.164
26	0.789	16366	20745.634
27	0.628	17005	27087.611
28	0.600	17832	29720.000
29	0.517	16527	31987.742
30	0.600	16583	27638.333
31	0.572	15589	27242.913
32	0.572	15056	26311.456
33	0.300	15037	50123.333
34	0.306	16142	52828.364
35	0.206	15861	77161.622
36	0.133	4916	36870.000
37	0.144	5057	35010.000
38	0.028	3775	135900.000