Citation:

PANGAEA.804574

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Abstract:

The GEMS-GLORI register, circulated by UNEP for review in 1996, lists 555 world major rivers discharging to oceans (Q > 10 km**3/year, or A > 10 000 km**2, or sediment discharge > 5Mt/year, or basin population >5M people). Up to 48 river attributes are listed, including major ions and nutrients (C, N, P) in both dissolved, particulate, organic and inorganic forms. For many rivers, two or three sets of data are provided with relevant periods of records and references. Although half of the selected rivers are not yet documented for water quality, most of the first 40 rivers are well described (Irrawady, Zambezi, Ogooue, Magdalena, are noted exceptions). Altogether about 10 000 individual data from 500 references are listed. The global coverage in terms of river discharge and/or drainage area ranges from 40 to 67% for most major water quality attributes but drops to 25% for some organic and/or particulate forms of N and P. Planned development of the register includes collection of information on particulate chemistry and data on endorheic rivers and selected tributaries.

Related to:

Meybeck, Michel; Ragu, Alain (1996): River discharges to the oceans: an assessment of suspended solids, major ions and nutrients. UNEP, Environment Information and Assessment, (draft), 240 pp, hdl:10013/epic.34685.d001

Meybeck, Michel; Ragu, Alain (1997): Presenting the GEMS-GLORI, a compendium of world river discharge to the oceans. Freshwater Contamination (Proceedings of Rabat Symposium S4, April-May). IAHS Publications, 243, 3-14, hdl:10013/epic.34684.d001

Coverage:

Median Latitude: 27.050165 * Median Longitude: 11.834417 * South-bound Latitude: -50.050000 * West-bound Longitude: -177.666700 * North-bound Latitude: 76.000000 * East-bound Longitude: 177.966700

Comment:

The river discharge database was digitized and archived on request of the EU-project CARBOOCEAN.

Values in <Reference> columns show corresponding number starting with publication year as listed in the Annex XIII "Alphabetical list of references", see hdl:10013/epic.34684.d009.

Parameter(s):

#	Name	Short Name	Unit	Method/Device	Comment
1	River	River			Name
2	Country	Country			of river mouth
3	Ocean	Ocean			and regional sea at river mouth
4	Continent	Cont			of river basin
5	LATITUDE	Latitude			Geocode
6	LONGITUDE	Longitude			Geocode
7	Temperature, air	TTT	°C	Thermometer	of basin, average
8	Reference/source	Reference			Temperature
9	Precipitation, annual total	Precip annual total	mm/a		of basin, average
10	Reference/source	Reference			Precipitation
11	Length	l	km		of total river
12	Reference/source	Reference			Length
13	Area	Area	km²		of basin
14	Reference/source	Reference			Area
15	Discharge, average per year	Q	km³/a		natural water, average
16	Reference/source	Reference			Discharge natural
17	Discharge, average per year	Q	km³/a		actual water, average
18	Reference/source	Reference			Discharge actual
19	Average runoff	q	mm/a
20	Reference/source	Reference			Avg runoff
21	Discharge, specific	q spec	l/s/km²		average
22	Reference/source	Reference			Discharge spec
23	Suspended load	Ms	Mt/a		natural
24	Reference/source	Reference			Suspended load, natural
25	Suspended load	Ms	Mt/a		actual
26	Reference/source	Reference			Suspended load, actual
27	Dissolved load	Md	Mt/a		total
28	Reference/source	Reference			Dissolved load
29	Suspended matter, particulate/solids	TSS	mg/l
30	Reference/source	Reference			Suspended matter
31	Total dissolved solids	TDS	mg/l
32	Reference/source	Reference			Dissolved solids
33	Silica, dissolved	SiO2	mg/l
34	Reference/source	Reference			Silica
35	Nitrogen in nitrate	N-[NO3]-	mg/l
36	Reference/source	Reference			Nitrogen
37	Nitrogen in ammonium	N-[NH4]+	mg/l
38	Reference/source	Reference			N-NH4
39	Phosphorus in orthophosphate	P-[PO4]3-	µg/l
40	Reference/source	Reference			P-ortho-P
41	Phosphorus, organic, dissolved	DOP	mg/l
42	Reference/source	Reference			P org diss
43	Nitrogen, organic, dissolved	DON	mg/l
44	Reference/source	Reference			N org diss
45	Carbon, organic, dissolved	DOC	mg/l
46	Reference/source	Reference			C org diss
47	Carbon, inorganic, dissolved	DIC	mg/l
48	Reference/source	Reference			C inorg diss
49	Carbon, total dissolved	TDC	mg/l
50	Carbon, organic, particulate	POC	mg/l
51	Reference/source	Reference			C tot diss
52	Carbon, organic, dissolved + particulate	DOC+POC	mg/l
53	Reference/source	Reference			C org diss+part
54	Carbon, organic, total	TOC	mg/l
55	Reference/source	Reference			C org
56	Nitrogen, total	TN	mg/l
57	Reference/source	Reference			N tot
58	Phosphorus, total	TP	mg/l
59	Reference/source	Reference			P tot
60	Carbon, inorganic, particulate	PIC	µg/g
61	Reference/source	Reference			C inorg part
62	Particulate organic carbon	POC	µg/kg		calculated from µg/g
63	Reference/source	Reference			C org part
64	Particulate organic nitrogen	PON	µg/kg		calculated from µg/g
65	Reference/source	Reference			N org part
66	Phosphorus, particulate	PP	µg/g
67	Reference/source	Reference			P part
68	Nitrogen, total	TN	mg/l		Kjeldhal nitrogen
69	Reference/source	Reference			N Kjeldhal
70	Particulate organic carbon	POC	µg/kg		calculated from µg/g
71	Calcium	Ca2+	mg/l
72	Reference/source	Reference			Ca
73	Magnesium	Mg2+	mg/l
74	Reference/source	Reference			Mg
75	Sodium	Na+	mg/l
76	Reference/source	Reference			Na
77	Potassium	K+	mg/l
78	Reference/source	Reference			K
79	Chloride	Cl-	mg/l
80	Reference/source	Reference			Cl
81	Sulfate	[SO4]2-	mg/l
82	Reference/source	Reference			SO4
83	Bicarbonate ion	[HCO3]-	mg/l		in the great majority of rivers pH is between 6 and 8.2 and bicarbonate ion is dominating
84	Reference/source	Reference			HCO3
85	Sum cations	Sum cation	meq/l		Ca+Mg+Na+K (ion), recalculated from µeq/l
86	Sum anions	Sum anion	meq/l		Cl+SO4+HC03+N03 (ion), recalculated from µeq/l

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

20354 data points

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