Please note: This is version 1.2 of DRAC and is currently under development.

DRAC — Data Tables

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A list of the different data sets available for use in DRAC:

1. Radionuclide conversion factors: View, Download CSV
2. Grain size attenuation factors for alpha dose rates: View, Download CSV
3. Grain size attenuation factors for beta dose rates: View, Download CSV
4. Etch depth attenuation factors: View, Download CSV
5. Water content attenuation factors: View, Download CSV
6. F, J and H parameters used for cosmic dose rate calculation: View, Download CSV
7. Gamma dose scaling: View, Download CSV

6) F, J and H parameters used for cosmic dose rate calculation

From Prescott and Hutton, 1994, after Prescott and Stefan, 1982.

Geomagnetic latitude (°)	F	H	J
-90	0.23	4.1	0.76
-89	0.23	4.1	0.76
-88	0.23	4.1	0.76
-87	0.23	4.1	0.76
-86	0.23	4.1	0.76
-85	0.23	4.1	0.76
-84	0.23	4.1	0.76
-83	0.23	4.1	0.76
-82	0.23	4.1	0.76
-81	0.23	4.1	0.76
-80	0.23	4.1	0.76
-79	0.23	4.1	0.76
-78	0.23	4.1	0.76
-77	0.23	4.1	0.76
-76	0.23	4.1	0.76
-75	0.23	4.1	0.76
-74	0.23	4.1	0.76
-73	0.23	4.1	0.76
-72	0.23	4.1	0.76
-71	0.23	4.1	0.76
-70	0.23	4.1	0.76
-69	0.23	4.1	0.76
-68	0.23	4.1	0.76
-67	0.23	4.1	0.76
-66	0.23	4.1	0.76
-65	0.23	4.1	0.76
-64	0.23	4.1	0.76
-63	0.23	4.1	0.76
-62	0.23	4.1	0.76
-61	0.23	4.1	0.76
-60	0.23	4.1	0.76
-59	0.23	4.1	0.76
-58	0.23	4.1	0.76
-57	0.23	4.1	0.76
-56	0.23	4.1	0.76
-55	0.23	4.1	0.76
-54	0.23	4.1	0.76
-53	0.23	4.1	0.76
-52	0.23	4.1	0.76
-51	0.23	4.1	0.76
-50	0.23	4.1	0.76
-49	0.23	4.1	0.76
-48	0.23	4.1	0.76
-47	0.23	4.1	0.76
-46	0.23	4.1	0.76
-45	0.23	4.1	0.76
-44	0.23	4.1	0.76
-43	0.23	4.1	0.76
-42	0.23	4.1	0.76
-41	0.23	4.1	0.76
-40	0.23	4.1	0.76
-39	0.23	4.1	0.76
-38	0.23	4.1	0.76
-37	0.23	4.1	0.76
-36	0.235	4.1	0.76
-35	0.24	4.103	0.755
-34	0.25	4.11	0.745
-33	0.255	4.125	0.73
-32	0.26	4.14	0.715
-31	0.27	4.16	0.7
-30	0.28	4.183	0.69
-29	0.29	4.2	0.68
-28	0.3	4.21	0.67
-27	0.305	4.23	0.66
-26	0.31	4.24	0.645
-25	0.315	4.25	0.635
-24	0.32	4.26	0.63
-23	0.33	4.27	0.62
-22	0.34	4.28	0.61
-21	0.345	4.29	0.6
-20	0.35	4.3	0.595
-19	0.36	4.308	0.59
-18	0.365	4.313	0.58
-17	0.37	4.32	0.575
-16	0.375	4.328	0.57
-15	0.38	4.335	0.57
-14	0.38	4.34	0.56
-13	0.385	4.345	0.555
-12	0.39	4.35	0.55
-11	0.39	4.355	0.55
-10	0.39	4.36	0.548
-9	0.393	4.365	0.545
-8	0.395	4.37	0.54
-7	0.398	4.375	0.54
-6	0.4	4.38	0.535
-5	0.4	4.385	0.53
-4	0.4	4.388	0.53
-3	0.4	4.39	0.525
-2	0.4	4.393	0.52
-1	0.4	4.395	0.52
0	0.4	4.4	0.52
1	0.4	4.395	0.52
2	0.4	4.393	0.52
3	0.4	4.39	0.525
4	0.4	4.388	0.53
5	0.4	4.385	0.53
6	0.4	4.38	0.535
7	0.398	4.375	0.54
8	0.395	4.37	0.54
9	0.393	4.365	0.545
10	0.39	4.36	0.548
11	0.39	4.355	0.55
12	0.39	4.35	0.55
13	0.385	4.345	0.555
14	0.38	4.34	0.56
15	0.38	4.335	0.57
16	0.375	4.328	0.57
17	0.37	4.32	0.575
18	0.365	4.313	0.58
19	0.36	4.308	0.59
20	0.35	4.3	0.595
21	0.345	4.29	0.6
22	0.34	4.28	0.61
23	0.33	4.27	0.62
24	0.32	4.26	0.63
25	0.315	4.25	0.635
26	0.31	4.24	0.645
27	0.305	4.23	0.66
28	0.3	4.21	0.67
29	0.29	4.2	0.68
30	0.28	4.183	0.69
31	0.27	4.16	0.7
32	0.26	4.14	0.715
33	0.255	4.125	0.73
34	0.25	4.11	0.745
35	0.24	4.103	0.755
36	0.235	4.1	0.76
37	0.23	4.1	0.76
38	0.23	4.1	0.76
39	0.23	4.1	0.76
40	0.23	4.1	0.76
41	0.23	4.1	0.76
42	0.23	4.1	0.76
43	0.23	4.1	0.76
44	0.23	4.1	0.76
45	0.23	4.1	0.76
46	0.23	4.1	0.76
47	0.23	4.1	0.76
48	0.23	4.1	0.76
49	0.23	4.1	0.76
50	0.23	4.1	0.76
51	0.23	4.1	0.76
52	0.23	4.1	0.76
53	0.23	4.1	0.76
54	0.23	4.1	0.76
55	0.23	4.1	0.76
56	0.23	4.1	0.76
57	0.23	4.1	0.76
58	0.23	4.1	0.76
59	0.23	4.1	0.76
60	0.23	4.1	0.76
61	0.23	4.1	0.76
62	0.23	4.1	0.76
63	0.23	4.1	0.76
64	0.23	4.1	0.76
65	0.23	4.1	0.76
66	0.23	4.1	0.76
67	0.23	4.1	0.76
68	0.23	4.1	0.76
69	0.23	4.1	0.76
70	0.23	4.1	0.76
71	0.23	4.1	0.76
72	0.23	4.1	0.76
73	0.23	4.1	0.76
74	0.23	4.1	0.76
75	0.23	4.1	0.76
76	0.23	4.1	0.76
77	0.23	4.1	0.76
78	0.23	4.1	0.76
79	0.23	4.1	0.76
80	0.23	4.1	0.76
81	0.23	4.1	0.76
82	0.23	4.1	0.76
83	0.23	4.1	0.76
84	0.23	4.1	0.76
85	0.23	4.1	0.76
86	0.23	4.1	0.76
87	0.23	4.1	0.76
88	0.23	4.1	0.76
89	0.23	4.1	0.76
90	0.23	4.1	0.76

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Full references for each of the datasets can be accessed via the References page.

We invite authors who calculate new and/or updated datasets for dose rate calculation to submit their datasets for use in DRAC. If you are interested, please contact us.