S. P. Anderson, F. Von-blanckenburg, and A. F. White, Physical and Chemical Controls on the 711 Critical Zone, Elements, vol.3, issue.5, pp.315-319, 2007.

S. W. Bailey, J. W. Hornbeck, C. T. Driscoll, and H. E. Gaudette, Calcium inputs and transport in a 713 base-poor forest ecosystem as interpreted by Sr isotopes, Water Resources Research, vol.32, issue.3, pp.707-714, 1996.

D. Baize, M. C. Girard, A. G. Beaudou, and R. Poss, , 2008.

M. Barbieri, The Importance of Enrichment Factor (EF) and Geoaccumulation Index (Igeo) to 717 Evaluate the Soil Contamination, Journal of Geology and Geophysics, vol.5, pp.1-4, 2016.

H. L. Barrows and V. J. Kilmer, Plant Nutrient Losses from Soils by Water Erosion, Advances in 719 agronomy, vol.15, pp.303-316, 1963.

C. Beaucaire and G. Michard, Origin of dissolved minor elements (Li, Rb, Sr, Ba) in superficial 721 waters in a granitic area, Geochemical Journal, vol.16, issue.5, pp.247-258, 1982.

G. Berger and N. Desprez, Carte de France (1/50 000), Orléans, issue.363, 1969.

S. M. Bernasconi, Weathering, soil formation and initial ecosystem 724 evolution on a glacier forefield: a case study from the Damma Glacier, pp.19-22, 2008.

J. D. Blum and Y. Erel, Rb-Sr isotope systematics of a granitic soil chronosequence: The 727 importance of biotite weathering, Geochimica et Cosmochimica Acta, vol.61, issue.15, pp.3193-3204, 1997.

F. H. Bormann and G. E. Likens, Nutrient cycling, Science, vol.155, issue.3761, pp.424-429, 1967.

H. M. Bowen and J. A. Dymond, Strontium and barium in plants and soils, Proceedings of the 730 Royal Society of London. Series B-Biological Sciences, vol.144, pp.355-368, 1955.

J. R. Boyle and G. K. Voigt, Biological weathering of silicate minerals, Plant and Soil, vol.38, issue.1, pp.191-201, 1973.

P. V. Brady, The effect of silicate weathering on global temperature and atmospheric CO2, 734 Journal of Geophysical Research: Solid Earth, vol.96, issue.B11, pp.18101-18106, 1991.

C. R. Butt, Physical weathering and dispersion, Handbook of Exploration Geochemistry 736, vol.4, pp.97-113, 1992.

O. Cerdan, Y. Le-bissonnais, A. Couturier, H. Bourennane, and V. Souchère, Rill erosion on 738 cultivated hillslopes during two extreme rainfall events in Normandy, France. Soil & Tillage Research, vol.739, pp.99-108, 2002.

E. T. Cleaves, A. E. Godfrey, and O. P. Bricker, Geochemical balance of a small watershed and its 741 geomorphic implications, America Bulletin, vol.81, issue.10, pp.3015-3032, 1970.

S. Cornu, Y. Lucas, E. Lebon, J. P. Ambrosi, F. Luizão et al., 743 Evidence of titanium mobility in soil profiles, Geoderma, vol.91, issue.3-4, pp.281-744, 1999.

R. L. Cullers, T. Barrett, R. Carlson, and B. Robinson, Rare-earth element and mineralogic 746 changes in Holocene soil and stream sediment: a case study in the wet mountains, Chemical Geology, vol.747, pp.275-297, 1987.

R. Cullers, Mineralogical and chemical changes of soil and stream sediment formed by intense 749 weathering of the Danburg granite, Lithos, vol.21, pp.301-314, 1988.

M. Delmas, L. T. Pak, O. Cerdan, V. Souchère, Y. Le-bissonnais et al., 751 Erosion and sediment budget across scale: A case study in a catchment of the European loess belt, 752 Journal of Hydrology, vol.420, pp.255-263, 2012.

M. B. Defersha and A. M. Melesse, Effect of rainfall intensity, slope and antecedent moisture 754 content on sediment concentration and sediment enrichment ratio, Catena, vol.90, pp.47-52, 2012.

W. De-vos, T. Tarvainen, R. Salminen, S. Reeder, B. De-vivo et al., , p.756

M. J. Marsina, K. Ottesen, R. T. O'connor, P. J. Bidovec, M. Lima et al., , p.757

H. Taylor, R. Shaw, I. Salpeteur, V. Gregorauskiene, J. Halami? et al., , p.758

P. Birke, M. Breward, N. Ander, E. L. Jordan, G. Duris et al., , p.759

A. Pasieczna, J. Lis, A. Mazreku, A. Gilucis, P. Heitzmann et al., , 2006.

, Geochemical Atlas of Europe: Part 2: Interpretation of geochemical maps, additional tables, figures, 761 maps, and related publications, Geological Survey of Finland

I. Douglas, Peri-urban ecosystems and societies: Transitional zones and contrasting values. In 763 The peri-urban interface, pp.41-52, 2012.

T. Drouet and J. Herbauts, Evaluation of the mobility and discrimination of Ca, Sr and Ba in forest 765 ecosystems: consequence on the use of alkaline-earth element ratios as tracers of Ca, Plant and soil, vol.766, issue.1, pp.105-124, 2008.

R. Emberson, N. Hovius, A. Galy, and O. Marc, Chemical weathering in active mountain belts 768 controlled by stochastic bedrock landsliding, Nature Geoscience, vol.9, issue.1, p.42, 2016.

J. Favrot and J. F. Vizier, Solums à caractères hydromorphes. Référentiel pédologique, pp.181-189, 1995.

J. Gaillardet, B. Dupré, and C. J. Allègre, Geochemistry of large river suspended sediments: 771 silicate weathering or recycling tracer, Geochimica et Cosmochimica Acta, vol.63, pp.4037-4051, 1999.

H. Ghadiri and C. W. Rose, Sorbed chemical transport in overland flow: II. Enrichment ratio 773 variation with erosion processes, Journal of Environmental Quality, vol.20, issue.3, pp.634-641, 1991.

S. S. Goldich, A study in rock-weathering, The Journal of Geology, vol.46, issue.1, pp.17-58, 1938.

H. R. Grau, M. E. Hernandez, J. Gutierrez, N. I. Gasparri, E. E. Casavecchia et al., , p.776

L. Paolini, A Peri-Urban Neotropical Forest Transition and its Consequences for Environmental 777 Services, Ecology and Society, vol.13, issue.1, 2008.

C. Grosbois, P. Négrel, C. Fouillac, and D. Grimaud, Dissolved load of the Loire River: 779 chemical and isotopic characterization, Chemical Geology, vol.170, pp.179-201, 2000.

L. Guo and H. Lin, Critical zone research and observatories: Current status and future 781 perspectives, Vadose Zone Journal, vol.15, issue.9, 2016.

R. C. Harriss and J. A. Adams, Geochemical and mineralogical studies on the weathering of 783 granitic rocks, American Journal of Science, vol.264, issue.2, pp.146-173, 1966.

R. C. Heindel, W. B. Lyons, S. A. Welch, A. M. Spickard, and R. A. Virginia, Biogeochemical 785 weathering of soil apatite grains in the McMurdo Dry Valleys, Antarctica. Geoderma, vol.320, pp.136-145, 2018.

J. E. Holland, A. E. Bennett, A. C. Newton, P. J. White, B. M. Mckenzie et al., , p.787

R. J. Bailey, J. S. Fornara, D. A. Hayes, and R. C. , Liming impacts on soils, crops and biodiversity 788 in the UK: a review, Science of the Total Environment, vol.610, pp.316-332, 2018.

M. Hornung, Acidification of soils by trees and forests, pp.24-790, 1985.

D. J. Huntley and R. G. Hancock, The Rb contents of the K-feldspar grains being measured in 792 optical dating, Ancient TL, vol.19, issue.2, pp.43-46, 2001.

C. C. Johnson and E. L. Ander, Urban geochemical mapping studies: how and why we do them. 794 Environmental Geochemistry and Health, vol.30, p.511, 2008.

N. M. Johnson, G. E. Likens, F. H. Bormann, and R. S. Pierce, Rate of chemical weathering of 796 silicate minerals in New Hampshire, Geochimica et Cosmochimica Acta, vol.32, issue.5, pp.531-545, 1968.

A. Kabata-pendias and H. Pendias, Trace Elements in Soils and Plants, 2001.

H. Kuhlmann, N. Claassen, and J. Wehrmann, A method for determining the K-uptake from 800 subsoil by plants, Plant and Soil, vol.83, pp.449-452, 1985.

J. Larue and R. Etienne, Les Sables de Lozère dans le Bassin parisien : nouvelles interpétations. 802 Géologie de la France 2, pp.81-94, 2000.

R. Laskowski, B. Berg, M. Johansson, and C. Mcclaugherty, Release pattern for potassium 804 from decomposing forest needle and leaf litter. Long-term decomposition in a Scots pine forest. IX. 805, Canadian Journal of Botany, vol.73, pp.2019-2027, 1995.

G. E. Likens and J. H. Cowan, The ecosystem approach: its use and abuse, Ecology Institute, 1992.

S. M. Marrero, A. S. Hein, M. Naylor, M. Attal, R. Shanks et al., , p.808

M. Westoby and D. Sugden, Controls on subaerial erosion rates in Antarctica. Earth and Planetary 809, Science Letters, vol.501, pp.56-66, 2018.

D. C. Marshall and A. C. Bayliss, Flood estimation for small catchments. Institute of 811 Hydrology, 1994.

J. Martin and M. Meybeck, Elemental mass-balance of material carried by major world rivers, Marine Chemistry, vol.813, pp.173-206, 1979.

A. R. Milnes and R. W. Fitzpatrick, Titanium and zirconium minerals. Minerals in soil 815 environments, pp.1131-1205, 1989.

P. Négrel, Multi-element chemistry of Loire estuary sediments: anthropogenic vs. natural 817 sources, Estuarine, Coastal and Shelf Science, vol.44, issue.4, pp.395-410, 1997.

P. Négrel, Geochemical study of a granitic area-the Margeride Mountains, France: chemical 819 element behavior and 87Sr/86Sr constraints, Aquatic Geochemistry, vol.5, issue.2, pp.125-165, 1999.

P. Négrel and P. Deschamps, Natural and anthropogenic budgets of a small watershed in the Massif 821, 1996.

, Central (France): chemical and strontium isotopic characterization of water and sediments, pp.1-27

P. Négrel and C. Grosbois, Changes in chemical and 87Sr/86Sr signature distribution patterns of 824 suspended matter and bed sediments in the upper Loire river basin (France), Chemical Geology, vol.156, issue.1-4, pp.231-249, 1999.

P. Négrel, H. Pauwels, and F. Chabaux, Characterizing multiple water-rock interactions in the 827 critical zone through Sr-isotope tracing of surface and groundwater, Applied Geochemistry, vol.93, pp.102-828, 2018.

P. Négrel, A. Ladenberger, C. Reimann, M. Birke, and M. Sadeghi, the GEMAS Project Team, 2018b. 830 Distribution of Rb, Ga and Cs in agricultural land soils at European continental scale (GEMAS): 831 Implications for weathering conditions and provenance, Chemical Geology, vol.479, pp.188-203

D. J. Nelson, Measurement and sampling of outputs from watersheds, Analysis of temperate 833 forest ecosystems, pp.257-267, 1973.

H. W. Nesbitt, G. Markovics, and R. C. Prict, Chemical processes affecting alkalis and alkaline 835 earths during continental weathering, Geochimica et Cosmochimica Acta, vol.44, issue.11, pp.1659-1666, 1980.

E. H. Oelkers, S. R. Gislason, E. S. Eiriksdottir, M. Jones, C. R. Pearce et al., The role of 837 riverine particulate material on the global cycles of the elements, Applied Geochemistry, vol.26, pp.365-838, 2011.

F. V. Oludare, Effects of Weathering and Erosion on the Geochemistry Of Rocks And Soils, International Journal of Scientific Research in Science and Technology, vol.840, issue.6, pp.74-80, 2017.

R. G. Palis, G. Okwach, C. W. Rose, and P. G. Saffigna, Soil erosion processes and nutrient loss. 1. 842 The interpretation of enrichment ratio and nitrogen loss in runoff sediment, Soil Research, vol.28, issue.4, pp.623-639, 1990.

R. L. Parker, Composition of the earth's crust. In data of geochemistry. United States 845 Government Printing Office, 1967.

W. F. Pickering, Metal ion speciation-soils and sediments (a review), Ore Geology Reviews, vol.1, issue.1, pp.83-146, 1986.

M. C. Pierret, S. Cotel, P. Ackerer, E. Beaulieu, S. Benarioumlil et al., , p.850

D. Weill, S. Probst, and A. , The Strengbach catchment: A multidisciplinary environmental sentry 851 for 30 years, Vadose Zone Journal, vol.17, issue.1, 2018.

E. Pollet, Vademecum des sols hydromorphes, 2009.

A. Poszwa, E. Dambrine, B. Pollier, and O. Atteia, A comparison between Ca and Sr cycling in 855 forest ecosystems, Plant and Soil, vol.225, issue.1-2, pp.299-310, 2000.

C. Reimann and P. De-caritat, Intrinsic flaws of element enrichment factors (EFs) in 857 environmental geochemistry, Environmental Science & Technology, vol.34, issue.24, pp.5084-5091, 2000.

C. Reimann, P. Filzmoser, and R. G. Garrett, Factor analysis applied to regional geochemical data: 859 problems and possibilities, Applied geochemistry, vol.17, issue.3, pp.185-206, 2002.

C. Reimann and P. De-caritat, Distinguishing between natural and anthropogenic sources for 861 elements in the environment: regional geochemical surveys versus enrichment factors, Science of the 862 Total Environment, vol.337, issue.1-3, pp.91-107, 2005.

C. Reimann, M. Birke, A. Demetriades, P. Filzmoser, and . O'connor, , p.864, 2014.

, Europe's Agricultural Soils -Part A: Methodology and Interpretation of the GEMAS dataset

, Geologisches Jahrbuch (Reihe B). Schweizerbarth, Stuttgart, vol.528, p.pp

C. Reimann, M. Birke, A. Demetriades, P. Filzmoser, and . O'connor, , p.867, 2014.

, Europe's Agricultural Soils -Part B: general background information and further analysis of the 868 GEMAS dataset, Geologisches Jahrbuch (Reihe B). Schweizerbarth, vol.352, p.pp

D. D. Richter, A. R. Bacon, Z. Brecheisen, and M. L. Mobley, Soil in the Anthropocene, Conference Series: Earth and Environmental Science, vol.870, issue.1, 2015.

D. D. Richter and S. A. Billings, One physical system': Tansley's ecosystem as Earth's critical 872 zone, New Phytologist, vol.206, issue.3, pp.900-912, 2015.

D. Righi and A. Meunier, Origin of clays by rock weathering and soil formation. In Origin and 874 mineralogy of clays, 1995.

K. M. Rowntree, M. M. Ntsaba, V. B. Weaver, and A. , Changing patterns of erosion in a peri-urban 876 catchment, 1991.

B. L. Sawhney, Selective sorption and fixation of cations by clay minerals: a review, Clays and clay, vol.878, issue.20, pp.93-100, 1972.

S. H. Silva, A. E. Hartemink, A. F. Dos-santos-teixeira, A. V. Inda, L. R. Guilherme et al., Soil weathering analysis using a portable X-ray fluorescence (PXRF) spectrometer in an 881 Inceptisol from the Brazilian Cerrado, Applied Clay Science, vol.880, pp.27-37, 2018.

L. Soucémarianadin and B. Verbèque, Notice explicative de la carte des sols de Orléans (1/50 000), 2007.

J. Sucharovà, I. Suchara, M. Hola, S. Marikova, C. Reimann et al., Top-/bottom-soil ratios and enrichment factors: what do they really show, vol.885, pp.138-145, 2012.

J. Viers, B. Dupré, and J. Gaillardet, Chemical composition of suspended sediments in World 888 Rivers: New insights from a new database, Science of the total Environment, vol.407, issue.2, pp.853-868, 2009.

M. C. Wilson and L. E. Jackson, Urban geology: An emerging discipline in an increasingly 890 urbanized world, pp.34-41, 2016.

J. L. Yang and G. L. Zhang, Si cycling and isotope fractionation: Implications on weathering and 892 soil formation processes in a typical subtropical area, Geoderma, vol.337, pp.479-490, 2019.

C. Zhang and O. Selinus, Statistics and GIS in environmental geochemistry-some problems and 894 solutions, Journal of Geochemical Exploration, vol.64, issue.1-3, pp.339-354, 1998.