Table 1.

Overview of OC and BD data statistics for sediments and soils from Namibia, Pakistan and the United Kingdom

	Namibia	Pakistan	United Kingdom
	Sediment organic carbon
Sample depth (cm)	0–30 [26]	0–10 [49, 54], 0–2 [11, 12]	0–3 [18, 51], 0–1 [13, 19, 34]
OCaverage (%)	3.72	1.72	0.78
Number of samples	968	109	102
Min. value	0.1	0.34	0.03
Max. value	22.3	4	6
	Soil Organic Carbon
Sample depth (cm)	0–10 [15]	0–10 [15]	0–10 [15]
OCaverage (%)	0.34	0.86	6.98
	Sediment Bulk Density
Sample depth (cm)	0–10 (inferred) [16]	0–2 [11, 14]	0–15 [8]
Bulk densityaverage (kg/dm3)	1.17	0.82	1.13
Number of samples	16	24	137
Max. value	n.a.	1.06	1.5
	Soil Bulk Density
Sample depth (cm)	0–30 [32]	0–50 [25]	0–15 [60]
Bulk densityaverage (kg/dm3)	1.56	1.5	0.73
Number of samples	17	Raster data	1385
Min. value	1.25	1.3	0.15
Max. value	1.76	2.6	1.30