https://doi.org/10.25678/000EKQ

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NAWA-Fracht - National monitoring programme for substance load in swiss watercourses (2025-1)

The “National monitoring programme for substance load in swiss watercourses” (NAWA-Fracht, formerly known as NADUF) program was initiated in 1972 as a cooperative project between three institutes:

The following institutes participated later:

With the NAWA-Fracht program, the chemical-physical state of Swiss rivers as well as intermediate-term and long-term changes in concentration are observed. Furthermore, it provides data for scientific studies on biological, chemical and physical processes in river water. The NAWA-Fracht network serves as a basic data and sampling facility to evaluate the effectiveness of water protection measures and for various scientific projects.

Data from 2021 to 2024

The physical data for the years 2021 and 2024 are provisional. Accordingly, the chemical data are not yet definitive.

Dataset extent

Data and Resources

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Metadata

Open Data

Author	Eawag: Swiss Federal Institute of Aquatic Science and Technology Federal Office for the Environment (FOEN)
Keywords	NAWA-Fracht,NADUF,Swiss Rivers,chemical state,physical state,long-term,monitoring
Variables	alkalinity chemical_oxygen_demand discharge dissolved_organic_carbon dissolved_reactive_phosphate electric_conductivity oxygen_saturation pH suspended_material temperature total_hardness total_nitrogen total_organic_carbon total_phosphorus
Substances (scientific names)	Ag (InChI=1S/Ag) As (InChI=1S/As) Ba (InChI=1S/Ba) Br- (InChI=1S/BrH/h1H/p-1) C15H24O (InChI=1S/C15H24O/c1-2-3-4-5-6-7-8-9-14-10-12-15(16)13-11-14/h10-13,16H,2-9H2,1H3) C17H28O2 (InChI=1S/C17H28O2/c1-5-17(4,11-10-14(2)3)15-6-8-16(9-7-15)19-13-12-18/h6-9,14,18H,5,10-13H2,1-4H3/i6+1,7+1,8+1,9+1,15+1,16+1) C19H32O3 (InChI=1S/C19H32O3/c1-5-19(4,11-10-16(2)3)17-6-8-18(9-7-17)22-15-14-21-13-12-20/h6-9,16,20H,5,10-15H2,1-4H3) C21H36O4 (InChI=1S/C21H36O4/c1-2-3-4-5-6-7-8-9-20-10-12-21(13-11-20)25-19-18-24-17-16-23-15-14-22/h10-13,22H,2-9,14-19H2,1H3) Ca+2 (InChI=1S/Ca/q+2) Cd (InChI=1S/Cd) Cl- (InChI=1S/ClH/h1H/p-1) Cr (InChI=1S/Cr) Cu (InChI=1S/Cu) F- (InChI=1S/FH/h1H/p-1) Fe (InChI=1S/Fe) H4SiO4 (InChI=1S/Na.H4O4Si/c;1-5(2,3)4/h;1-4H) HCO3- (InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4)/p-1) Hg (InChI=1S/Hg) K+ (InChI=1S/K/q+1) La (InChI=1S/La) Li (InChI=1S/Li) Mg+2 (InChI=1S/Mg/q+2) Mn (InChI=1S/Mn) N (InChI=1S/N) Na+ (InChI=1S/Na/q+1) NH4+ (InCHI=1S/H3N/h1H3/p+1) Ni (InChI=1S/Ni) NO2- (InCHl=1S/HNO2/c2-1-3/h(H,2,3)/p-1) NO3- (InCHl=1S/NO3/c2-1(3)4/q-1) O2 (InChI=1S/O2/c1-2) P (InChI=1S/P) Pb (InChI=1S/Pb) PO4-3 (InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3) SO4-2 (InCHl=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)/p-2) Sr (InChI=1S/Sr) U (InChI=1S/U) Zn (InChI=1S/Zn)
Substances (generic terms)	4-nonylphenol 4-nonylphenoldiethoxylate 4-nonylphenolmonoethoxylate ammonium arsenic barium bromide cadmium calcium cerium chloride chromium copper fluoride iron lathanum lead lithium magnesium manganese mercury nickel nitrate nitrite nitrogen nonylphenoltriethoxylate oxygen phosphate phosphorus potassium silicic acid silver sodium strontium sulphate uranium zinc
Systems	River
Timerange	1974 TO 2024
Geographic Name(s)	Andelfingen - Thur Appenzell - Sitter Bern, Schönau - Aare Brugg - Aare Chancy - Rhône Diepoldsau, Rietbrücke - Rhein Alpthal - Erlenbach Frauenfeld - Murg Baden, Gebenstorf - Limmat Gümmenen - Saane Hagneck - Aare Emmen/Littau, Reussbühl - Kleine Emme Rheinsfelden - Glatt Laufenburg - Rhein Alpthal - Lümpenenbach Martina - Inn Mellingen - Reuss Münchenstein, Hofmatt - Birs Neuenkirch - Sellenbodenbach Ocourt - Doubs Porte du Scex - Rhône Rekingen - Rhein Riazzino - Ticino S-chanf - Inn Thörishaus, Sensematt - Sense Alpthal - Vogelbach Weil, Palmrainbrücke - Rhein Rheinfelden - Rhein
Review Level	general
Curator	Schoenenberger Ursula
Contact	Schoenenberger Ursula <Ursula.Schoenenberger@eawag.ch>
DOI	10.25678/000EKQ