SIMULATION OF FLOW PATTERNS AND ION-EXCHANGE IN SOIL PERCOLATION EXPERIMENTS. II: ION-EXCHANGE PROCESSESCHRISTOPHERSEN N; SEIP HM; NJOS A et al.1980; WATER AIR SOIL POLLUT.; USA; DA. 1980; VOL. 14; PP. 159-170; BIBL. 23 REF.Article

RUNOFF CHEMISTRY AT A MINI-CATCHMENT WATERED WITH "UNPOLLUTED PRECIPITATION" = CHIMIE DU RUISSELLEMENT DANS UN BASSIN DE PETITE ECHELLE AU MOYEN D'UNE PLUIE ARTIFICIELLE NON POLLUEECHRISTOPHERSEN N; STUANES AO; WRIGHT RF et al.1982; NORD. HYDROL.; ISSN 0029-1277; DNK; DA. 1982; VOL. 13; NO 2; PP. 115-128; BIBL. 15 REF.; 4 TAB. ; TABL./ILL.Article

A rational approach to the assessment of aluminium solubility controls in freshwatersCHRISTOPHERSEN, N; NEAL, C.Science of the total environment. 1989, Vol 84, pp 91-100, issn 0048-9697Article

Inorganic aluminium-hydrogen ion relationships for acidified streams; the role of water mixing processesNEAL, C; CHRISTOPHERSEN, N.Science of the total environment. 1989, Vol 80, Num 2-3, pp 195-203, issn 0048-9697Article

Shrinkage structure of partial least squaresLINGJAERDE, O. C; CHRISTOPHERSEN, N.Scandinavian journal of statistics. 2000, Vol 27, Num 3, pp 459-473, issn 0303-6898Article

Assessing mixing models within a common frameworkAKERJORD, M.-A; CHRISTOPHERSEN, N.Environmental science & technology. 1996, Vol 30, Num 7, pp 2105-2112, issn 0013-936XArticle

SODIUM MOBILITY IN A MINI-CATCHMENT STUDIED WITH RADIOACTIVE TRACERS AND ARTIFICIAL PRECIPITATION = MOBILITE DU SODIUM DANS UN BASSIN A PETITE ECHELLE ETUDIEE PAR TRACEUR RADIOACTIF ET PAR PLUIE PROVOQUEECHRISTOPHERSEN N; SEIP HM; QVENILD C et al.1982; NORD. HYDROL.; ISSN 0029-1277; DNK; DA. 1982; VOL. 13; NO 2; PP. 105-114; BIBL. 2 P.; 1 TAB. ; TABL./ILL.Article

Chaotic time series. II: System identification and predictionLILLEKJENDLIE, B; KUGIUMTZIS, D; CHRISTOPHERSEN, N et al.Modeling, identification and control. 1994, Vol 15, Num 4, pp 225-243, issn 0332-7353Article

Changes in soil and stream hydrochemistry during periods of spring snowmelt at a pristine site in mid-NorwayFERRIER, R. C; ANDERSON, J. S; MILLER, J. D et al.Water, air and soil pollution. 1989, Vol 44, Num 3-4, pp 321-337, issn 0049-6979Article

Modelling streamwater chemistry as a mixture of soilwater end-members ― a step towards second-generation acidification models = Modélisation de la chimie des eaux de ruissellement en les considérant comme un mélange de produits terminaux des eaux de sol ― un pas vers les modèles de l'acidification de la deuxième générationCHRISTOPHERSEN, N; NEAL, C; HOOPER, R. P et al.Journal of hydrology (Amsterdam). 1990, Vol 116, Num 1-4, pp 307-320, issn 0022-1694, 14 p.Conference Paper

Chaotic time series. I: Estimation of some invariant properties in state spaceKUGIUMTZIS, D; LILLEKJENDLIE, B; CHRISTOPHERSEN, N et al.Modeling, identification and control. 1994, Vol 15, Num 4, pp 205-224, issn 0332-7353Article

Limitations to the understanding of ion-exchange and solubility controls for acidic welsh, scottish and norwegian sites = Limites de la compréhension des contrôles de l'échange d'ions et de la solubilité pour des régions acides du pays gallois, sites écossais et norvégiensNEAL, C; MULDER, J; CHRISTOPHERSEN, N et al.Journal of hydrology (Amsterdam). 1990, Vol 116, Num 1-4, pp 11-23, issn 0022-1694, 13 p.Conference Paper

A model for sulphate in streamwater at Storgama, Southern Norway = Un modèle pour les sulfates dans les eaux de rivière à Storgama, Norvège SudCHRISTOPHERSEN, N; DYMBE, L. H; JOHANNSSEN, M et al.Ecological modelling. 1984, Vol 21, Num 1-2, pp 35-61, issn 0304-3800Article

Surveillance of pregnancies as a means of detecting environmental and occupational hazards. II: Growth criteria including birth weight, length, and head circumference in a newborn populationHANSTEEN, I.-L; CHRISTOPHERSEN, N; LANGARD, S et al.Hereditas (Landskrona). 1987, Vol 107, Num 2, pp 205-211, issn 0018-0661Article

Water flow paths and the partial distribution of soils as a key to understanding differences in streamwater chemistry between three catchments (Norway)MULDER, J; CHRISTOPHERSEN, N; KOPPERUD, K et al.Water, air and soil pollution. 1995, Vol 81, Num 1-2, pp 67-91, issn 0049-6979Article

Hydrochemical processes at a pristine site in Nord-Trøndelag, mid-NorwayFERRIER, R. C; ANDERSON, H. A; MILLER, J. D et al.Water, air and soil pollution. 1992, Vol 62, Num 3-4, pp 281-302, issn 0049-6979Article

Aluminium mobilization in soil and stream waters at three Norwegian catchments with different acid deposition and site characteristicsCHRISTOPHERSEN, N; NEAL, C; VOGT, R et al.Science of the total environment. 1990, Vol 96, Num 1-2, pp 175-188, issn 0048-9697, 14 p.Conference Paper

Variations in concentrations of aqueous aluminium and other chemical species during hydrological episodes at Birkenes, soushernmost Norway = Etude des variations dans les concentrations en aluminium en solution aqueuse ainsi que pour d'autres espèces chimiques au cours de phénomènes hydrologiques à Birkenes, Norvège MéridionaleSEIP, H. M; ANDERSEN, D. O; CHRISTOPHERSEN, N et al.Journal of hydrology (Amsterdam). 1989, Vol 108, Num 1-4, pp 387-405, issn 0022-1694Article

Chloride in precipitation and streamwater for the upland catchment of river severin, mid-Wales. Some consequences for hydrochemical models = Le chlore dans les précipitations atmosphériques et les cours d'eau du bassin supérieur de la rivière Severn, centre du Pays de Galles: quelques conséquences pour les modèles hydrologiquesNEAL, C; CHRISTOPHERSEN, N; NEALE, R et al.Hydrological processes. 1988, Vol 2, Num 2, pp 155-165, issn 0885-6087Article