Pierre Delmelle

Professeur ordinaire

pierre.delmelle@uclouvain.be

SST/AGRO Faculty of bioscience engineering (AGRO)

SST/ELI Earth and Life Institute (ELI)

SST/ELI/ELIE Environmental Sciences (ELIE)

Postal address

ELIE - Boltzmann/de Serres/Mendel/Kellner
L7.05.10
Croix du Sud 2
1348 Louvain-la-Neuve

ELIE

SC14-15 - Boltz/de Ser/Mend/Kell
Floor 00 Office A 026
1348 Louvain-la-Neuve

Phone : 010473686

Secretary Phone : 010473633

Fax : 010474525

Learning units for 2026

Label	Code
Introduction to Earth sciences	LBIR1130
Chimie générale 1	LBIR1140
Introduction to biosphere engineering	LBIR1230
Applied soil sciences	LBIRE2104
Projet intégré en gestion de la pollution	LBIRE2231
Soil management in tropical and subtropical regions	LBRES2203
Applied hydro-biogeochemistry	LBRTE2101

2026

Book chapter

Estuning Tyas Wulan Mei, Delmelle, P., Beth A Bartel, Ailsa Naismith, Ma. Mylene Martinez-Villegas, & Supriyati Dwi Andreastuti. (2026). Chapter 8.4.2. Sustainable livelihoods: benefits and challenges for. In C. Bonadonna, L. Caricchi, A., Clarke, P. Cole, J. Lindsay, J. Lowenstern, R. Robertson and M.L. Villegas (ed.), The Encyclopedia of Volcanoes (3rd edition, p. Inconnu à ce stade). Academic Press.

https://research.dial.uclouvain.be/handle/2078.5/278302

Casas, A., King, P., & Delmelle, P. (2026). Sulfur in Volcanism. In Daniel E. Harlov, Gleb S. Pokrovski (ed.), The Role of Sulfur in Planetary Processes (1° édition, pp. 767-858). Springer Nature Switzerland. https://doi.org/10.1007/978-3-032-07705-9_11

https://research.dial.uclouvain.be/handle/2078.5/276102

2025

Journal article

Delmelle, P., Biass, S., Paque, M., & Lobet, B. (2025). Explosive volcanic eruptions can act as carbon sinks. Nature Communications, 16(1). https://doi.org/10.1038/s41467-025-59692-4 (Original work published 2025)

https://research.dial.uclouvain.be/handle/2078.5/244274

Colombier, M., Bonifacie, M., Brenna, M., Burke, A., Cimarelli, C., Cronin, S. J., Delmelle, P., Dingwell, D. B., Hess, K.-U., Huebsch, M., Kula, T., Latu’ila, F., Lavallée, Y., Mann, G. W., Mather, T. A., Paredes-Mariño, J., Plank, T., Scheu, B., Sun, Y.-J., et al. (2025). The role of submarine volcanism in atmospheric chemistry. Earth and Planetary Science Letters, 671, 119690. https://doi.org/10.1016/j.epsl.2025.119690 (Original work published 2025)

https://research.dial.uclouvain.be/handle/2078.5/260912

Vandeuren, A., Pereira, B., Van de Casteele, C., Sonnet, P., & Delmelle, P. (2025). Processes controlling geogenic arsenic distribution in soils formed from iron-rich sedimentary rocks. Journal of Hazardous Materials, 483, 136610. https://doi.org/10.1016/j.jhazmat.2024.136610 (Original work published 2025)

https://research.dial.uclouvain.be/handle/2078.5/242132

2024

Journal article

Ligot, N., Viera, W., Peñaherrera, D., Bernard, B., Bogaert, P., & Delmelle, P. (2024). A quantitative assessment of crop vulnerability to tephra hazard at Tungurahua volcano, Ecuador: understanding the effect of volcanic and biological factors. Bulletin of Volcanology, 86(4). https://doi.org/10.1007/s00445-024-01710-2 (Original work published 2024)

https://research.dial.uclouvain.be/handle/2078.5/233451

Ligot, N., de Tornaco, P. M., Pereira, B., Bogaert, P., & Delmelle, P. (2024). Exposure of vegetables to simulated volcanic ashfall reveals production loss controlled by plant traits and growth stage. Agrosystems, Geosciences & Environment, 7(3). https://doi.org/10.1002/agg2.20494 (Original work published 2024)

https://research.dial.uclouvain.be/handle/2078.5/216939

2023

Journal article

Ligot, N., Bogaert, P., Biass, S., Lobet, G., & Delmelle, P. (2023). Grain size modulates volcanic ash retention on crop foliage and potential yield loss. Natural Hazards and Earth System Sciences, 23(4), 1355-1369. https://doi.org/10.5194/nhess-23-1355-2023 (Original work published 2023)

https://research.dial.uclouvain.be/handle/2078.5/216291

Delmelle, P., Laugrand, F., & Simon, L. (2023). Funestes volcans? Frontières, 34(2), 2-17. https://doi.org/10.7202/1112437ar (Original work published 2023)

https://research.dial.uclouvain.be/handle/2078.5/267553

Páez Bimos, C., Molina Verdugo, A., Calispa Aguilar, M., Delmelle, P., Lahuatte, B., Villacís, M., Muñoz, T., & Vanacker, V. (2023). Soil–vegetation–water interactions controlling solute flow and chemical weathering in volcanic ash soils of the high Andes. Hydrology and Earth System Sciences, 27(7), 1507-1529. https://doi.org/10.5194/hess-27-1507-2023-supplement (Original work published 2023)

https://research.dial.uclouvain.be/handle/2078.5/218294

Delmelle, P., Laugrand, F., & Simon, L. (2023). Funestes volcans ? Frontières, 34(2), 120. (Original work published 2023)

https://research.dial.uclouvain.be/handle/2078.5/267379

Vandeuren, A., Pereira, B., Kaba, A. J., Titeux, H., & Delmelle, P. (2023). Environmental bioavailability of arsenic, nickel and chromium in soils impacted by high geogenic and anthropogenic background contents. Science of the Total Environment, 902, 166073. https://doi.org/10.1016/j.scitotenv.2023.166073 (Original work published 2023)

https://research.dial.uclouvain.be/handle/2078.5/102559

2022

Journal article

Lasne, J., Urupina, D., Maters, E., Delmelle, P., Romanias, M., & Thevenet, F. (2022). Photo-enhanced uptake of SO <sub>2</sub> on Icelandic volcanic dusts. Environmental Science: Atmospheres, 2(3), 375-387. https://doi.org/10.1039/d1ea00094b (Original work published 2022)

https://research.dial.uclouvain.be/handle/2078.5/278337

Romero-Mujalli, G., Hartmann, J., Hosono, T., Louvat, P., Okamura, K., Delmelle, P., Amann, T., & Böttcher, M. E. (2022). Hydrothermal and magmatic contributions to surface waters in the Aso caldera, southern Japan: Implications for weathering processes in volcanic areas. Chemical Geology, 588(3), 120612. https://doi.org/10.1016/j.chemgeo.2021.120612 (Original work published 2022)

https://research.dial.uclouvain.be/handle/2078.5/240693

Biass, S., Jenkins, S., Aeberhard, W., Delmelle, P., & Wilson, T. (2022). Insights into the vulnerability of vegetation to tephra fallouts from interpretable machine learning and big Earth observation data. Natural Hazards and Earth System Sciences, 22(9), 2829-2855. https://doi.org/10.5194/nhess-22-2829-2022 (Original work published 2022)

https://research.dial.uclouvain.be/handle/2078.5/278334

Ligot, N., Guevara, A., & Delmelle, P. (2022). Drivers of crop impacts from tephra fallout: Insights from interviews with farming communities around Tungurahua volcano, Ecuador. Volcanica, 5(1), 163-181. https://doi.org/10.30909/vol.05.01.163181 (Original work published 2022)

https://research.dial.uclouvain.be/handle/2078.5/107741

Páez Bimos, C., Villacís, M., Morales, O., Calispa Aguilar, M., Molina Verdugo, A., Salgado, S., de Bievre, B., Delmelle, P., Muñoz, T., & Vanacker, V. (2022). Vegetation effects on soil pore structure and hydraulic properties in volcanic ash soils of the high Andes. Hydrological Processes, 36(9), e14678. https://doi.org/10.1002/hyp.14678 (Original work published 2022)

https://research.dial.uclouvain.be/handle/2078.5/218299

2021

Journal article

Chevrel, O., Wadsworth, F., Farquharson, J., Kushnir, A., Heap, M., Williams, R., Delmelle, P., & Kennedy, B. (2021). Publishing a Special Issue of Reports from the volcano observatories in Latin America. Volcanica, 4(S1), i-vi. https://doi.org/10.30909/vol.04.S1.ivi (Original work published 2021)

https://research.dial.uclouvain.be/handle/2078.5/278340

Gaspard, F., Opfergelt, S., Dessert, C., Robert, V., Ameijeiras Mariño, Y., & Delmelle, P. (2021). Imprint of chemical weathering and hydrothermalism on the Ge/Si ratio and Si isotope composition of rivers in a volcanic tropical island, Basse-Terre, Guadeloupe (French West Indies). Chemical Geology, 577(120283). https://doi.org/10.1016/j.chemgeo.2021.120283 (Original work published 2021)

https://research.dial.uclouvain.be/handle/2078.5/113531

Descamps, C., Gaspard, F., Delmelle, P., Jacquemart, A.-L., & Lecoq, J. (2021). Accompagner les étudiants bacheliers bioingénieurs dans le développement de leurs compétences transversales. Les Annales de QPES, 1(3 (2021)). https://doi.org/10.14428/qpes.v1i3.62103 (Original work published 2021)

https://research.dial.uclouvain.be/handle/2078.5/110290

Tomašek, I., Damby, D. E., Stewart, C., Horwell, C. J., Plumlee, G., Ottley, C. J., Delmelle, P., Morman, S., El Yazidi, S., Claeys, P., Kervyn, M., Elskens, M., & Leermakers, M. (2021). Development of a simulated lung fluid leaching method to assess the release of potentially toxic elements from volcanic ash. Chemosphere, 278, 130303. https://doi.org/10.1016/j.chemosphere.2021.130303 (Original work published 2021)

https://research.dial.uclouvain.be/handle/2078.5/110296

Calkins, J., & Delmelle, P. (2021). Quantitative analysis of persistent volcanic fluoride risk reveals differential exposure pathways for adults and children downwind of Masaya Volcano, Nicaragua. Bulletin of Volcanology, 83(12). https://doi.org/10.1007/s00445-021-01504-w (Original work published 2021)

https://research.dial.uclouvain.be/handle/2078.5/278335

https://research.dial.uclouvain.be/handle/2078.5/110096

Gaspard, F., Opfergelt, S., Hirst, C., Hurwitz, S., McCleskey, R. B., Zahajská, P., Conley, D. J., & Delmelle, P. (2021). Quantifying non‐thermal silicate weathering using Ge/Si and Si isotopes in rivers draining the Yellowstone Plateau Volcanic Field, USA. Geochemistry, Geophysics, Geosystems. Published. https://doi.org/10.1029/2021gc009904 (Original work published 2021)

https://research.dial.uclouvain.be/handle/2078.5/166098

Delmelle, P., Maters, E. C., Calkins, J. A., Gaspard, F., Opfergelt, S., & Jenkins, S. F. (2021). Eruptive style controls the formation of silicon hexafluoride salts on volcanic ash: The case of the 2010 eruption of Eyjafjallajökull volcano, Iceland. Chemical Geology, 579. https://doi.org/10.1016/j.chemgeo.2021.120327 (Original work published 2021)

https://research.dial.uclouvain.be/handle/2078.5/112860

2020

Journal article

Fabian B. Wadsworth, Vasseur Jérémie, Casas Ana Silvia, Delmelle, P., Hess Kai-Uwe, Ayris Paul M., & Dingwell Donald B. (2020). A model for the kinetics of high temperature reactions between polydisperse volcanic ash and SO2 gas. The American Mineralogist (Print) : an international journal of earth and planetary materials. Published. https://doi.org/10.2138/am-2021-7691 (Original work published 2020)

https://research.dial.uclouvain.be/handle/2078.5/114407

Carol stewart, David E. Damby, Ines Tomašek, Claire J. Horwell, Geoffrey S. Plumlee, Maria Aurora Armienta, Maria Gabriela Ruiz Hinojosa, Moya Appleby, Delmelle, P., Shane Cronin, Christopher J. Ottley, Clive Oppenheimer, & Suzette Morman. (2020). Assessment of leachable elements in volcanic ashfall: a review and evaluation of a standardized protocol for ash hazard characterization. Journal of Volcanology and Geothermal Research, 392, 106756. https://doi.org/10.1016/j.jvolgeores.2019.106756 (Original work published 2020)

https://research.dial.uclouvain.be/handle/2078.5/30545

2019

Journal article

Colombier, M., Mueller, S. B., Kueppers, U., Scheu, B., Delmelle, P., Cimarelli, C., Cronin, S. J., Brown, R. J., Tost, M., & Dingwell, D. B. (2019). Diversity of soluble salt concentrations on volcanic ash aggregates from a variety of eruption types and deposits. Bulletin of Volcanology, 81(7), 39. https://doi.org/10.1007/s00445-019-1302-0 (Original work published 2019)

https://research.dial.uclouvain.be/handle/2078.5/92329

Tarasenko, I., Bielders, C., Guevara, A., & Delmelle, P. (2019). Surface crusting of volcanic ash deposits under simulated rainfall. Bulletin of Volcanology, 81(5 (2019)), 30. https://doi.org/10.1007/s00445-019-1289-6 (Original work published 2019)

https://research.dial.uclouvain.be/handle/2078.5/251449

Tomašek, I., Damby, D. E., Horwell, C. J., Ayris, P. M., Delmelle, P., Ottley, C. J., Cubillas, P., Casas, A. S., Bisig, C., Petri-Fink, A., Dingwell, D. B., Clift, M. J. D., Drasler, B., & Rothen-Rutishauser, B. (2019). Assessment of the potential for in-plume sulphur dioxide gas-ash interactions to influence the respiratory toxicity of volcanic ash. Environmental Research, 179, 108798. https://doi.org/10.1016/j.envres.2019.108798 (Original work published 2019)

https://research.dial.uclouvain.be/handle/2078.5/92251

Vanacker, V., Ameijeiras Mariño, Y., Schoonejans, J., Cornelis, J.-T., Minella, J., Lamouline, F., Vermeire, M.-L., Campforts, B., Robinet, J., Van de Broek, M., Delmelle, P., & Opfergelt, S. (2019). Land use impacts on soil erosion and rejuvenation in Southern Brazil. CATENA, 178, 256-266. https://doi.org/10.1016/j.catena.2019.03.024 (Original work published 2019)

https://research.dial.uclouvain.be/handle/2078.5/218325

Casas, A. S., Wadsworth, F. B., Ayris, P. M., Delmelle, P., Vasseur, J., Cimarelli, C., & Dingwell, D. B. (2019). SO2 scrubbing during percolation through rhyolitic volcanic domes. Geochimica et Cosmochimica Acta, 257, 150-162. https://doi.org/10.1016/j.gca.2019.04.013 (Original work published 2019)

https://research.dial.uclouvain.be/handle/2078.5/54987

2018

Journal article

Delmelle, P., Wadsworth Fabian B., Maters Elena C., & Ayris Paul M. (2018). High Temperature Reactions Between Gas and Ash Particles in Volcanic Eruption Plumes. Reviews in Mineralogy and Geochemistry, 84, 285-308. (Original work published 2018)

https://research.dial.uclouvain.be/handle/2078.5/61116

Ameijeiras Mariño, Y., Opfergelt, S., Derry Louis A., Robinet Jérémy, Govers Gerard, Minella Jean P.G., & Delmelle, P. (2018). Ge/Si ratios point to increased contribution from deeper mineral weathering to streams after forest conversion to cropland. Applied Geochemistry, 96, 24-34. (Original work published 2018)

https://research.dial.uclouvain.be/handle/2078.5/126004

2017

Journal article

Maters, E., Delmelle, P., & Gunnlaugsson, H. P. (2017). Controls on iron mobilisation from volcanic ash at low pH: Insights from dissolution experiments and Mössbauer spectroscopy. Chemical Geology, 449, 73-81. https://doi.org/10.1016/j.chemgeo.2016.11.036 (Original work published 2017)

https://research.dial.uclouvain.be/handle/2078.5/179506

Maters, E., Delmelle, P., Rossi, M. J., & Ayris, P. (2017). Reactive Uptake of Sulfur Dioxide and Ozone on Volcanic Glass and Ash at Ambient Temperature. Journal of Geophysical Research, 122(18), 10. https://doi.org/10.1002/2017JD026993 (Original work published 2017)

https://research.dial.uclouvain.be/handle/2078.5/175380

Mueller, S. B., Ayris, P., Wedsworth, F. B., Kueppers, U., Casas, A. S., Delmelle, P., Taddeucci, J., Jacob, M., & Dingwell, D. B. (2017). Ash aggregation enhanced by deposition and redistribution of salt on the surface of volcanic ash in eruption plumes. Scientific Reports, 1-9. https://doi.org/10.1038/SREP45762 (Original work published 2017)

https://research.dial.uclouvain.be/handle/2078.5/180970

Detienne, M., Delmelle, P., Guevara, A., Samaniego, P., Opfergelt, S., & Mothes, P. A. (2017). Contrasting origin of two clay-rich debris flows at Cayambe Volcanic Complex, Ecuador. Bulletin of Volcanology, 79:27. https://doi.org/10.1007/s00445-017-1111-2 (Original work published 2017)

https://research.dial.uclouvain.be/handle/2078.5/181383

2016

Journal article

Maters, E., Delmelle, P., Rossi, M. J., Ayris, P., & Bernard, A. (2016). Controls on the surface chemical reactivity of volcanic ash investigated with probe gases. Earth and Planetary Science Letters, 450, 254-262. https://doi.org/10.1016/j.epsl.2016;06.044 (Original work published 2016)

https://research.dial.uclouvain.be/handle/2078.5/184628

Maters, E., Delmelle, P., & Bonneville, S. (2016). Atmospheric processing of volcanic glass: effects on iron solubility and redox speciation. Environmental Science & Technology (Washington), 50, 5033-5540. https://doi.org/10.1021/acs.est.5b06281 (Original work published 2016)

https://research.dial.uclouvain.be/handle/2078.5/37756

2015

Journal article

Ayris, P., Delmelle, P., Pereira, B., Maters, E., Damby, D. E., Durant, A. J., & Dingwell, D. B. (2015). Spatial analysis of Mount St. Helens tephra leachate compositions: implications for future sampling strategies. Bulletin of Volcanology, 77:60. https://doi.org/10.1007/s00445-015-0945-8 (Original work published 2015)

https://research.dial.uclouvain.be/handle/2078.5/191340

Ayris, P., Cimarelli, C., Delmelle, P., Wadsworth, F. B., Vasseur, J., Suzuki, Y. J., & Dingwell, D. B. (2015). A novel apparatus for the simulation of eruptive gas-rock interactions. Bull Volcanol, 77, 104. https://doi.org/10.1007/s00445-015-0990-3 (Original work published 2015)

https://research.dial.uclouvain.be/handle/2078.5/182871

Bani, P., Boudon, G., Balcone-Boissard, H., Delmelle, P., Quiniou, T., Lefèvre, J., Bule, E. G., & Lardy, M. (2015). The 2009-2010 eruption of Gaua Volcano (Vanuatu archipelago): Eruptive dynamics and unsuspected strong halogens source. Journal of Volcanology and Geothermal Research, 322, 63-75. (Original work published 2016)

https://research.dial.uclouvain.be/handle/2078.5/95451

Book chapter

Delmelle, P., & Bernard, A. (2015). The Remarkable Chemistry of Sulfur in Hyper-Acid Crater Lakes: A Scientific Tribute to Bokuichiro Takano and Minoru Kusakabe. In Rouwet Dmitri, Christenson Bruce, Tassi Franco, Vandemeulebrouck Jean (ed.), Volcanic Lakes (pp. 239-259). Springer. https://doi.org/10.1007/978-3-642-36833-2_10

https://research.dial.uclouvain.be/handle/2078.5/77532

Delmelle, P., Henley, R. W., Opfergelt, S., & Detienne, M. (2015). Summit acid crater lakes and flank instability in composite volcanoes. In Rouwet, D., Christenson, B., Tassi, F., Vandemeulebrouck, J. (Eds.) (ed.), Volcanic Lakes (pp. 289-305). Springer. https://doi.org/10.1007/978-3-642-36833-2_12

https://research.dial.uclouvain.be/handle/2078.5/191553

Delmelle, P., Opfergelt, S., Cornelis, J.-T., & Ping, C.-L. (2015). Volcanic soils. In Sigurdsson H., Houghton B., Rymer H., Stix J., McNutt S. (ed.), The Encyclopedia of Volcanoes, 2nd Edition (pp. 1253-1264). Academic Press.

https://research.dial.uclouvain.be/handle/2078.5/257766

Delmelle, P., Henley, R. W., & Bernard, A. (2015). Volcano-Related Lakes. In Sigurdsson, Houghton, McNutt, et al (ed.), The Encyclopedia of Volcanoes (p. p. 851-864). Sigurdsson, H, Houghton B, Stix J, McNutt S. https://doi.org/10.1016/B978-0-12-385938-9.00048-1

https://research.dial.uclouvain.be/handle/2078.5/257774

Delmelle, P., Maters, E., & Oppenheimer, C. (2015). Volcanic influence on the Carbon, Sulfur, and Halogen Biogeochemical cycles. In Sirgudsson H., Houghton B, Rymer H, Stix J, Mc Nutts S eds. (ed.), The encyclopedia of Volcanoes (p. p. 881-893). New York Academic press.

https://research.dial.uclouvain.be/handle/2078.5/257770

2014

Journal article

Ayris, P., Delmelle, P., Cimarelli, C., Maters, E. C., Suzuki, Y. S., & Dingbell, D. B. (2014). HCI uptake by volcanic ash in the h. Geochimica et Cosmochimica Acta, 144, 188-201. https://doi.org/10.1016/j.gca.2014.08.028 (Original work published 2014)

https://research.dial.uclouvain.be/handle/2078.5/92005

Mélançon, J., Levasseur, M., Lizotte, M., Delmelle, P., Cullen, J., Hamme, R. C., Pena, A., Simpson, K. G., Scarratt, M., Tremblay, J.-E., Zhou, J., Johnson, K., Sutherland, N., Arychuk, M., & Nemcek, N. (2014). Early response of the northeast subarctic Pacific plankton assemblage to volcanic ash fertilization. Limnology and Oceanography, 59(1), 55-67. https://doi.org/10.4319/lo.2014.59.1.0055 (Original work published 2014)

https://research.dial.uclouvain.be/handle/2078.5/203037

Delmelle, P., Ayris, P., & Maters, E. (2014). Comment on “Scavening of sulfur, halogens and trace metals by volcanic ash: The 2010 Eyjafjallajökull eruption” by Bagnato et al. (2013). Geochimica et Cosmochimica Acta, 127, 381-384. https://doi.org/10.1016/j.gca.2013.07.021 (Original work published 2014)

https://research.dial.uclouvain.be/handle/2078.5/92772

Hoshyaripour, G., Hort, M., Langmann, B., & Delmelle, P. (2014). Volcanic controls on ash iron solubility : New insights from high-temperature gas-ash interaction modeling. Journal of Volcanology and Geothermal Research, 286, 67-77. https://doi.org/10.1016/j.jvolgeores.2014.09.005 (Original work published 2014)

https://research.dial.uclouvain.be/handle/2078.5/92219

2013

Journal article

Ayris, P., Lee, A., Wilson, K., Kueppers, U., Dingwell, D. B., & Delmelle, P. (2013). SO2 sequestration in large volcanic eruptions:High-temperature scavenging by tephra. Geochimica et Cosmochimica Acta, 110, 58-69. https://doi.org/10.1016/j.gca.2013.02.018 (Original work published 2013)

https://research.dial.uclouvain.be/handle/2078.5/93623

Horwell, C. J., Baxter, P. J., Hillman, S. E., Calkins, J. A., Damby, D. E., Delmelle, P., Donaldson, K., Dunster, C., Fubini, B., Kelly, F. J., Le Blond, J. S., Livi, K. J. T., Murphy, F., Nattrass, C., Sweeney, S., Tetley, T. D., Thordarson, T., & Tomatis, M. (2013). Physicochemical and toxicological profiling of ash from the 2010 and 2011 eruptions of Eyjafjallajökull ang Grimsvötn volcanoes, Iceland using a rapid respiratory hazard assessment protocol. Environmental Research, 127, 63-73. https://doi.org/10.1016/j.envres.2013.08.011 (Original work published 2013)

https://research.dial.uclouvain.be/handle/2078.5/203135

2012

Journal article

Opfergelt, S., & Delmelle, P. (2012). Silicon isotopes and continental weathering processes: assessing controls on Si transfer to the ocean. Comptes rendus. Geoscience, 344(11-12), 723-738. https://doi.org/10.1016/j.crte.2012.09.006 (Original work published 2012)

https://research.dial.uclouvain.be/handle/2078.5/76472

Damby, D. E., Hornwell, C. J., Baxter, P. J., Delmelle, P., Donaldson, K., Dunster, C., Fubini, B., Murphy, F. A., Nattras, C., Sweeney, S., Tetley, T. D., & Tomatis, M. (2012). The respiratory health hazard of tephra from the 2010 Centennial eruption of Merapi with implications for occupational mining of deposits. Journal of Volcanology and Geothermal Research, 261, 376-387. https://doi.org/10.1016/j.jvolgeores.2012.09.001 (Original work published 2012)

https://research.dial.uclouvain.be/handle/2078.5/160750

Ayris, P., & Delmelle, P. (2012). Volcanic and atmospheric controls on ash iron solubility: A review. Physics and Chemistry of the Earth. Physics and chemistry of the earth, 45-46, 103-112. https://doi.org/10.1016/j.pce.2011.04.013 (Original work published 2012)

https://research.dial.uclouvain.be/handle/2078.5/81013

Ayris, P., & Delmelle, P. (2012). The immediate environmental effects of tephra emission. Bulletin of Volcanology, 74, 1905-1936. https://doi.org/10.1007/s00445-012-0654-5 (Original work published 2012)

https://research.dial.uclouvain.be/handle/2078.5/75976

Martin, R. S., Sawyer, G. M., Thomas, H. E., Watt, S. F. L., Bagnato, E., Calabrese, S., Aiuppa, A., Delmelle, P., Pyle, D. M., & Mather, T. A. (2012). Bioindication of volcanic mercury (Hg) deposition around Mt. Etna (Sicily). Chemical Geology, 310-311, 12-22. https://doi.org/10.1016/j.chemgeo.2012.03.022 (Original work published 2012)

https://research.dial.uclouvain.be/handle/2078.5/160776

2011

Journal article

Olgun, N., Duggen, S., Croot, P. L., Delmelle, P., Dietze, H., Schacht, U., Oskarsson, N., Siebe, C., Auer, A., & Garbe-Schönberg, D. (2011). Surface ocean iron fertilization: The role of airborne volcanic ash from subduction zone and hot spot volcanoes and related iron fluxes into the Pacific Ocean. Global Biogeochemical Cycles : an international journal of global change, 25(4). https://doi.org/10.1029/2009GB003761 (Original work published 2011)

https://research.dial.uclouvain.be/handle/2078.5/34258

Alfanao, F., Bonnadona, C., Delmelle, P., & Costantini, L. (2011). Insights on tephra settling velocity from morphological observations. Journal of Volcanology and Geothermal Research, 208(3-4), 86-98. https://doi.org/10.1016/j.jvolgeores.2011.09.013 (Original work published 2011)

https://research.dial.uclouvain.be/handle/2078.5/161568

Durant, A., Villarosa, G., Rose, W. I., Delmelle, P., Prata, A. J., & Viramonte, J. G. (2011). Long-range volcanic ash transport and fallout during the 2008 eruption of Chaitén volcano, Chile. Physics and chemistry of the earth, 45-46, 50-64. https://doi.org/10.1016/j.pce.2011.09.004 (Original work published 2011)

https://research.dial.uclouvain.be/handle/2078.5/161715

2010

Book chapter

Shinohara, H., Delmelle, P., Carol Finn, Michael J. Heap, Hedenquist, J., Rouwet, D., Scheu, B., & Vincent Van Hinsberg. (2010). Acid altered terrains: Formation, hazards and related uses. In C. Bonadonna, L. Caricchi, A., Clarke, P. Cole, J. Lindsay, J. Lowenstern, R. Robertson and M.L. Villegas (ed.), The Encyclopedia of Volcanoes (3rd edition, p. Inconnu à ce stade). Academic Press.

https://research.dial.uclouvain.be/handle/2078.5/278304

Journal article

West, J. J., Emberson, L., Anenberg, S. C., Arnold, S., Ashmore, M., Atkinson, R., Bellouin, N., Cohen, A., Collins, B., Delmelle, P., & et al. (2010). Impacts on Health, Ecosystems, and Climate, Chapter 5 in Hemispheric Transport of Air Pollution: Part A: Ozone and Particulate Matter. Air Pollution studies, 17. (Original work published 2010)

https://research.dial.uclouvain.be/handle/2078.5/32907

Duggen, S., Olgun, N., Croot, P., Dietze, H., Delmelle, P., & Teschner, C. (2010). The role of airborne volcanic ash for the surface ocean biogeochemical iron-cycle: a review. Biogeosciences, 7, 827-844. https://doi.org/10.5194/bg-7-827-2010 (Original work published 2010)

https://research.dial.uclouvain.be/handle/2078.5/39678

2007

Journal article

Delmelle, P., Lambert, M., Dufrêne, Y., Gerin, P., & Oskarsson, N. (2007). Gas/aerosol-ash interaction in volcanic plumes: New insights from surface analyses of fine ash particles. Earth and Planetary Science Letters, 259(1-2), 159-170. https://doi.org/10.1016/j.epsl.2007.04.052 (Original work published 2007)

https://research.dial.uclouvain.be/handle/2078.5/134688

2006

Journal article

Opfergelt, S., Delmelle, P., Boivin, P., & Delvaux, B. (2006). The 1998 debris avalanche at Casita volcano, Nicaragua: Investigation of the role of hydrothermal smectite in promoting slope instability. Geophysical Research Letters, 33(15), L15305. https://doi.org/10.1029/2006GL026661 (Original work published 2006)

https://research.dial.uclouvain.be/handle/2078.5/71077

Oppenheimer, C., Tsanev, C. F., Cox, R. A., Adams, J. A., Aiuppa, A., Bobrowski, N., Delmelle, P., Barclay, J., & McGonigle, A. J. S. (2006). BrO fomation in volcanic plumes. Geochimica Cosmochimica Acta, 70, 2935-2941. (Original work published 2006)

https://research.dial.uclouvain.be/handle/2078.5/35431

2005

Journal article

Witter, J. B., Kress, V. C., Delmelle, P., & Stix, J. (2005). Volatile degassing, petrology, and magma dynamics of the Villarrica lava lake, Southern Chile. Journal of Volcanology and Geothermal Research, 134, 303-337. (Original work published 2005)

https://research.dial.uclouvain.be/handle/2078.5/34457

Delmelle, P., Villieras, F., & Pelletier, M. (2005). Surface area, porosity and water adsorption properties of fine volcanic ash particles. Bulletin of Volcanology, 67(2), 160-169. https://doi.org/10.1007/s00445-004-0370-x (Original work published 2005)

https://research.dial.uclouvain.be/handle/2078.5/78636

Delfosse, T., Delmelle, P., Givron, C., & Delvaux, B. (2005). Inorganic sulphate extraction from SO2-impacted andosols. European Journal of Soil Science, 56(1), 127-133. https://doi.org/10.1111/j.1365-2389.2004.00647.x (Original work published 2005)

https://research.dial.uclouvain.be/handle/2078.5/71523

2004

Journal article

Witter, J., & Delmelle, P. (2004). Acid gas hazards in the crater of Villarrica volcano (Chile) (2004). Revista Geologica de Chile, n(31), 1-6. https://doi.org/10.4067/s0716-02082004000200006 (Original work published 2004)

https://research.dial.uclouvain.be/handle/2078.5/160868

McGonigle, A. J. S., Delmelle, P., Oppenheimer, C., Tsanev, V. I., Delfosse, T., Williams-Jones, G., Horton, K., & Mather, T. A. (2004). SO2 depletion in tropospheric volcanic plumes. Geophysical Research Letters, 31(13). https://doi.org/10.1029/2004GL019990 (Original work published 2004)

https://research.dial.uclouvain.be/handle/2078.5/67158

Delfosse, T., Delmelle, P., Iserentant, A., & Delvaux, B. (2004). Contribution of SO3 to the acid neutralizing capacity of Andosols exposed to strong volcanogenic acid and SO2 deposition. European Journal of Soil Science, 56(1), 113-125. https://doi.org/10.1111/j.1365-2389.2004.00646.x (Original work published 2004)

https://research.dial.uclouvain.be/handle/2078.5/153039

2003

Journal article

Wardell, L. J., Delmelle, P., Fischer, T., Lewicki, L., Malavassi, E., Stix, J., & Strauch, J. (2003). Volcanic gas workshop fosters international focus on state of the art measurement techniques. American Geophysical Union. Transactions, 84, 519-521. (Original work published 2003)

https://research.dial.uclouvain.be/handle/2078.5/33184

Delmelle, P., Delfosse, T., & Delvaux, B. (2003). Sulfate, chloride and fluoride retention in Andosols exposed to volcanic acid emissions. Environmental Pollution, 126(3), 445-457. https://doi.org/10.1016/S0269-7491(03)00196-9 (Original work published 2003)

https://research.dial.uclouvain.be/handle/2078.5/131953

Book chapter

Delmelle, P. (2003). Environmental impacts of tropospheric volcanic gas plumes. In Oppenheimer C. ; Barclay J. ; Pyle D. (eds.) (ed.), Origins, emissions and impacts of volcanic gases (pp. 381-399). The Geological Society.

https://research.dial.uclouvain.be/handle/2078.5/36105

2002

Journal article

Delmelle, P., Stix, J., Baxter, P., Garcia-Alvarez, J., & Barquero, J. (2002). Atmospheric dispersion, environmental effects and potential health hazard associated with the low-altitude gas plume of Masaya volcano, Nicaragua. Bulletin of Volcanology, 64(6), 423-434. https://doi.org/10.1007/s00445-002-0221-6 (Original work published 2002)

https://research.dial.uclouvain.be/handle/2078.5/37536

2001

Journal article

Delmelle, P., Stix, J., Bourque, C. P., Baxter, P. J., Garcia-Alvarez, J., & Barquero, J. (2001). Dry deposition and heavy acid loading in the vicinity of Masaya Volcano, a major sulfur and chlorine source in Nicaragua. Environmental Science & Technology (Washington), 35(7), 1289-1293. (Original work published 2001)

https://research.dial.uclouvain.be/handle/2078.5/83533

2000

Journal article

Delmelle, P., Bernard, A., Kusakabe, M., Fischer, T., & Takano, B. (2000). The crater lake system of Kawah Ijen volcano, Indonesia: insights from chemical and isotopic compositions obtained between 1990 and 1996. Journal of Volcanology and Geothermal Research, 97, 31-53. (Original work published 2000)

https://research.dial.uclouvain.be/handle/2078.5/32964

Takano, B., Fazlullin, S. M., & Delmelle, P. (2000). Analytical cross check of major and minor constituents in active crater lakes. Journal of Volcanology and Geothermal Research, 97, 497-508. (Original work published 2000)

https://research.dial.uclouvain.be/handle/2078.5/32490

Delmelle, P., & Bernard, A. (2000). Downstream composition changes of acidic volcanic waters discharged into the Banyupahit stream, Ijen caldera, Indonesia. Journal of Volcanology and Geothermal Research, 97, 55-75. (Original work published 2000)

https://research.dial.uclouvain.be/handle/2078.5/35354

Book chapter

Delmelle, P., & Stix, J. (2000). Volcanic Gases. In eds. H. Sigurdsson B. Houghton S. McNutt H. Rymer J. Stix (ed.), Encyclopedia of Volcanoes (p. p. 803-815). Academic Press.

https://research.dial.uclouvain.be/handle/2078.5/258073

Delmelle, P., & Bernard, A. (2000). Volcanic Lakes. In eds. H. Sigurdsson B. Houghton S. McNutt H. Rymer and J. Stix (ed.), Encyclopedia of Volcanoes (p. p. 877-895). Academic Press.

https://research.dial.uclouvain.be/handle/2078.5/258072

1999

Journal article

Kargel, J. S., Delmelle, P., & Nash, D. B. (1999). Volcanogenic sulfur on Earth and Io: composition and spectroscopy. Icarus, 142(1), 249-280. https://doi.org/10.1006/icar.1999.6183 (Original work published 1999)

https://research.dial.uclouvain.be/handle/2078.5/34911

Delmelle, P., Baxter, P., Baulieu, A., Burton, M., Francis, P., Garcia-Alavarez, J., Horrocks, L., Navarro, M., Oppenheimer, C., Rothery, D., Rymer, H., St-Amand, K., Stix, J., Strauch, W., & William-Jones, G. (1999). Origin, effects of Masaya volcano’s continued unrest probed in Nicaragua. American Geophysical Union. Transactions, 80, 575-581. https://doi.org/10.1029/EO080i048p00575 (Original work published 1999)

https://research.dial.uclouvain.be/handle/2078.5/35426

1998

Journal article

Young, S. R., Francis, P. W., Barclay, J., Cassadevall, T., Gardner, C., Daroux, B., Davies, M., Delmelle, P., Norton, G., Maciejweski, A., Oppenheimer, C. M., Stix, J., & Watson, J. (1998). Monitoring sulphur dioxide emission at the Soufrière Hills volcano: implications for changes in eruptive conditions. Geophysical Research Letters, 25(19), 3681-3684. https://doi.org/10.1029/98GL01406 (Original work published 1998)

https://research.dial.uclouvain.be/handle/2078.5/33916

Delmelle, P., Kusakabe, M., Bernard, A., Fischer, T., de Brouwer, S., & del Mundo, E. (1998). Geochemical and isotopic evidence for seawater contamination of the hydrothermal system of Taal Volcano, Luzon, the Philippines. Bulletin of Volcanology, 59(8), 562-576. https://doi.org/10.1007/s004450050210 (Original work published 1998)

https://research.dial.uclouvain.be/handle/2078.5/141606

1994

Journal article

Delmelle, P., & Bernard, A. (1994). Geochemistry, mineralogy and chemical modeling of the acid crater lake of Kawah Ijen Volcano, Indonesia. Geochimica et Cosmochimica Acta, 58(11), 2445-2460. https://doi.org/10.1016/0016-7037(94)90023-X (Original work published 1994)

https://research.dial.uclouvain.be/handle/2078.5/160904

Pierre Delmelle is Full Professor in Environmental Sciences and Environmental Geochemistry at UCLouvain. His research lies at the intersection of volcanology, environmental sciences and agronomy. He studies the short- and long-term impacts of volcanic eruptions on natural and agricultural ecosystems, combining fieldwork, laboratory experiments and modelling. His international career includes positions in Canada, Japan and the UK. He teaches subjects such as inorganic chemistry, biogeochemistry, Earth sciences, soil sciences and hydrogeochemistry modelling.

Year	Label	School
1995	Docteur en sciences agronomiques	Université Libre de Bruxelles (ULB) (Belgique)
1991	Ingénieur chimiste et des bioindustries	UCLouvain \| Université catholique de Louvain (Belgique)

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Pierre Delmelle

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