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Universidad Nacional
Heredia, Costa Rica
P.O. Box 86-3000
Ricardo
Sánchez-Murillo
Tel: (+506) 2277-3357
Professional Goal To work on water resources issues related to climate variability and climate change and deficient
water resources planification in developing countries, including- but not limited to- water
security and sustainability, water quality and quantity, linking of hydrological processes
knowledge to policy and water regulations.
Current Appointment May, 2014-Present: Associate Professor on Chemical and Physical Hydrology.
Coordinator of the Stable Isotope Research Group, Water Resources Management Laboratory
and the Master Program on Management and Environmental Studies. Chemistry School.
Universidad Nacional, Heredia, Costa Rica.
Education University of Idaho, USA
Ph.D. Water Resources, Isotope Hydrology, May 2014 (CONARE No. 26-2016)
M.Sc. Water Resources, Hydro-Chemical Modeling, December 2010
National University, Costa Rica
Licensure. Chemistry with emphasis on Environmental Chemistry, 2007 (Costa Rica
Chemistry Association Member No. 2897).
National and International Funds (Total funding awarded as PI and Co-PI:
$1,388,990 since 2012 Ongoing projects:
a) 2019-2023: International Atomic Energy Agency, Vienna, Austria: ‘Enhancing
Stable Isotopes Monitoring to Assess Rainfall Patterns and Processes in Tropical
Climate Change Hotspots’: (as Co-PI): $18,000
b) 2019-2020: International Atomic Energy Agency, Vienna, Austria: Groundwater
resource evaluation in the Dry Corridor of Central America: (as PI): $93,600 c) 2019: National University of Costa Rica, Research Office: funds to maintain a
Drought Monitoring Network in the Dry Corridor of Costa Rica (as PI): $91,379
d) 2018-2021: International Atomic Energy Agency, Vienna, Austria, From Mountains
to Cities: mapping multiple water sources and distribution in the Central Valley of
Costa Rica (as Co-PI): $16,143
e) 2018-2021: International Atomic Energy Agency, Vienna, Austria, Integration of
stable isotope techniques in the national groundwater assessments. Counterpart-
CoPI.
f) 2018-2020: University of Costa Rica. CHILD: Costa Rica - Hydrology Impacts EL
Niño and Development (as Co-PI): $40,000
g) 2014-2019: Empresa de Servicios Públicos de Heredia (ESPH), Heredia, Costa Rica,
Project 0378-14: Hydrologic connectivity and water security in the Central Valley of
Costa Rica (as PI). $184,474
h) 2017-2019: Ministerio de Ciencia, Tecnología y Telecomunicaciones: efectos del
cambio climático observado sobre la disponibilidad de agua en la región Chorotega e
impactos ambientales (as co-PI): $89.032
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Ended:
i) 2016-2018 (ends Dec-2018). Water Security and Sustainability in Guanacaste:
innovations in the traditional hydro-climatic analysis and its application to the
integrated water resources management under a changing climate (as Co-PI):
$68,814
j) 2016-2018 (ended): University of Costa Rica, Research Office, ISONet: Isotope
network for tropical ecosystem studies (as co-PI): $18,050
k) 2016-2018: National University of Costa Rica, Research Office: funds to establish a
Drought Monitoring Network in the Dry Corridor of Costa Rica (with 32 complete
meterorological stations) (as PI): $118,473
l) 2017 (ended): National University of Costa Rica, Research Office: funds for
remoteness communication of meteorological stations (as Co-PI): $7,439
m) 2016 (ended). National University of Costa Rica, Research Office: funds to acquire
meteorological instrumentation (as PI): $10,500
n) 2016 (ended). National University of Costa Rica, World Bank Funds and Research
Office: funds to acquire a Carbon Isotope Analyzer (as PI): $107,000
o) 2016-2017 (ended). International Atomic Energy Agency, Vienna, Austria, Project
COS7005: Water Security and Sustainability in the Central Valley of Costa Rica (as
PI): $207,687
p) 2016-2017 (ended). National University of Costa Rica, Research Office, Project
0280-15: Tools for groundwater protection within Quebrada Honda and Chiz-
Maravilla watersheds.
q) Cartago, Costa Rica. Financiamiento FIDA (as co-PI): $44,881
r) 2013-2017 (ended). International Atomic Energy Agency, Vienna, Austria, Project
CRP 17947: “Stable isotopes in precipitation and paleoclimatic archives in tropical
areas to improve regional hydrological and climatic impact models” (as PI): $45,505
s) 2013-2015 (ended). Palouse Basin Aquifer Committee (PBAC) Identifying water
pathways along the granite/basalt interface in the East of Moscow (ID, USA) (as co-
PI). $55,000
t) 2013-2015 (ended). Office of Species Conservation, Boise, Idaho, Pacific Coast
Salmon Restoration Funds (PCSRF) Round 15. “Stable isotope analysis of juvenile
steelhead food web in an effluent dominated stream, Troy, Idaho” (as co-PI). $69,013
u) 2012 (ended). CONARE, Costa Rica, funds to establish a Stable Isotope Laboratory
in Costa Rica (as PI): $90,000
Honors and Awards
2018. The World Sciences Academy (TWAS, Trieste, Italy) for the advancement of
science in developing countries: TWAS-CONICIT 2018 Chemistry Award.
2016. MIT-Review pre-candidate for “Innovators under 35 for Central America”.
2013. Washington Lake Protection Association (WALPA), David Lamb Scholarship.
2013. NSF Scholarship awarded through University of Utah to attend a Spatial Stable
Isotope Workshop.
2012. Avista Award, outstanding academic performance in both coursework and
research. University of Idaho, USA.
2011. Graduate Interdisciplinary Research. 2nd
place, Innovation Showcase,
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University of Idaho, USA.
2011. Partial Scholarship to conduct doctoral studies in stable isotope hydrology at
University of Idaho. National University, Heredia, Costa Rica.
2009. Second place. 1st Haiku poetry contest sponsored by the embassy of Japan in Costa
Rica.
2008. International Student Exchange Program (ISEP, Washington D.C., USA)
scholarship to conduct a master in water resources at University of Idaho, USA.
2005. University Studies Abroad Consortium (USAC) scholarship to study English as
a second language. University of Nevada, Reno, Nevada, USA
National Teaching Experience and International Courses taught 2019: Expert Mission IAEA. Asunción, Paraguay. Stable Isotopes and hydrological
modelling.
2019: Expert Mission IAEA. IMTA. México, Cuernavaca. Chemical and Isotopic
characterization of meteoric waters.
2019: Expert Mission IAEA. Secretaría de Agricultura y Ganadería: review the
current situation of groundwater resources in the Dry Corridor of the Republic of
Honduras.
2018: Expert Mission IAEA. Universidad Nacional, Costa Rica: Regional course on
the basics of Isotope Hydrology.
2018: Instituto Hondureño de Ciencias de la Tierra, Universidad Nacional
Autónoma de Honduras, Tegucigalpa, Honduras: National course on the basics of
Isotope Hydrology.
2018: Expert Mission IAEA. Instituto Mexicano de Tecnologías del Agua (IMTA),
Cuernava, México: National course on Isotope Hydrology and Applications.
2017: Graduate Program. Universidade Estadual Paulista, Rio Claro, Sao Paulo,
Brasil. Tópicos de Hidrologia Isotópica em Regiões Tropicais,
2016-Present: Universities Study Abroad Consortium (USAC), Heredia, Costa Rica.
Water across tropical landscapes.
2016: University of Peace-Mandated University, Costa Rica: Climate change and
groundwater.
2016-present: Maestría Regional en Ciencias del Agua, Centro de Investigación en
Recursos Acuáticos, UNAN-Managua, Nicaragua: Isotope Hydrology.
2006-2008; 2014-present: National University of Costa Rica, School of Chemistry.
Environmental Organic Chemistry, Isotope Hydrology, Water Chemistry, and Soil
Chemistry.
2011-2014: University of Idaho, USA. Teaching assistance. Water Quality,
Environmental Hydrology.
International and National Research Experience and Synergies
2019-Present: Instituto de Hidrología de Llanuras, Azul, Buenos Aires, Argentina.
2019-Present: Universidad Nacional de San Luis, San Luis, Argentina.
2018-Present. Instituto Hondureño de Ciencias de la Tierra. Universidad Nacional
Autonoma de Honduras. Tegucigalpa, Honduras.
2017-Present. Factor, Bilbao, Spain. Consulting. Climate Change Adaptation Plan,
Costa Rica. Part of the consulting team as a water resources expert.
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2017. University of Aberdeen. Northern Rivers Institute. Aberdeen, Scotland, UK.
Storage selection functions for subsurface and surface mean residence time
determination.
2016-Present. Water Resources Research Center, Nicaragua. Developing of isoscapes
in groundwater, surface water, and precipitation.
2014-Present. National University, Costa Rica. Water resources management and
isotope hydrology. Coordinator of the Stable Isotope Research Group (UNA-SIL).
2015-Present. Universidade Estadual de Sao Paulo, Brasil. Stable isotope hydrology
at the Guaraní Aquifer, Sao Paulo, Brazil.
2013-Present: International Atomic Energy Agency, Vienna, Austria. Stable Isotope
Hydrology.
2014-Present: Michigan State University, USA. Geochemistry and Geobiology in
hyperalkaline springs Santa Elena, Guanacaste, Costa Rica.
2013-Present: Virginia Tech., and Cornell University, USA. Geochemistry and
isotope hydrology in hyperalkaline springs Santa Elena, Guanacaste, Costa Rica.
2009-2014: University of Idaho, USA. Waters of the West Program. Isotope Hydrology.
2006-2007: University of Wisconsin, USA. Laboratory Assistant on mass spectrometry
techniques for natural organic polymers.
Publications In preparation
1. Irene Montero-Rodríguez, Sánchez-Murillo, R, Corrales-Salazar, L, Esquivel-
Hernández, G, Castro-Chacón, L, Rojas-Jiménez, L. D., Vargas-Víquez, J., Ortega, L.,
Matsumoto, T. [in prep]. Groundwater age and recharge processes in a tropical volcanic
aquifer.
2. Benjamin M. C. Fischer, Laura Morillas, Johanna Rojas, Andrea Suárez, Ricardo
Sánchez-Murillo, Monika Garcia, Stefano Manzoni, Mark S. Johnson, and Steve W.
Lyon. [in prep]. Biochar-amended agriculture in a tropical climate change hot-spot.
3. Christian Birkel, Alicia Correa Barahona, Clément Duvert, Sebastian Granados Bolaños,
Andres Chavarría Palma, Ana María Durán-Quesada, Ricardo Sánchez Murillo, Harald
Biester. [in prep]. Endmember and Bayesian mixing models consistently evidence near-
surface flowpath dominance in a pristine humid tropical rainforest.
4. Christian Birkel Alicia Correa, Marco Martínez, Sebastián Granados , Nelson Venegas,
Kenneth Gutiérrez, Sara Blanco, Rafael Quesada, Vanessa Solano, Andres Chavarría,
Katherine Vargas Arias, Georgianne Moore, Ana María Durán Quesada, Javier Vásquez
Morera, Chris Soulsby, Edgar Espinoza Cisneros, Ricardo Sánchez Murillo. [in prep].
Headwaters drive streamflow and lowlands tracer export in a meso-scale humid tropical
catchment.
Under review 2020
1. Pérez-Quezadas, J., David Adams, Ricardo Sánchez-Murillo, Alejandro Jiménez-
Lagunes, José Luis Rodríguez-Castañeda. [under review]. Isotopic variability (δ18
O and
δ2H) recorded during rainfall events of the North American Monsoon system across the
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Sonora River Basin, Mexico. Submitted to the Journal of South America Earth
Sciences. 2. Ricardo Sánchez-Murillo, Esquivel-Hernández, G., Corrales-Salazar, et al. [under
review]. Tracer hydrology of the data-scarce and heterogeneous Central American
Isthmus. Submitted to Hydrological Processes. 3. L. Nicole Arellano, Stephen P. Good, Ricardo Sánchez-Murillo, W. Todd Jarvis, David
C. Noone, Catherine E. Finkenbiner. [under review]. Bayesian estimates of the mean
recharge elevations of water sources in the Central America region using stable water
isotopes. Submitted to Journal of Hydrology.
4. Correa Alicia, Birkel Christian, Gutiérrez Jason, Dehaspe Joni, Durán-Quesada Ana,
Soulsby Chris, Sánchez-Murillo, Ricardo. [under review]. A spatially-distributed
assessment of non-stationary green and blue water ages in a pristine tropical rainforest.
Submitted to Hydrological Processes. 5. L. Ortega, M. Manzano, J. Rodríguez-Arévalo, R. Sánchez-Murillo. [under review].
Global 222
Rn applications in hydrogeology. Submitted to Hydrological Processes.
Published (2013-2020))
2020
1. R. Sánchez-Gutiérrez, L. Mena- Rivera, R. Sánchez-Murillo, A. Fonseca-Sánchez, H.
Madrigal-Solís. 2020. Groundwater processes and water quality in a human-altered
landscape in the Central Pacific coast of Costa Rica. Journal of Geochemistry and
Health. https://link.springer.com/article/10.1007/s10653-019-00501-5
2019
1. Niels Munskgaard, Kurita, N., Sánchez-Murillo, R., et al. 2019. Tropical daily
observations of stable isotope compositions in rainfall and calculated stratiform rainfall
fractions. Nature Scientific Data. https://www.nature.com/articles/s41598-019-50973-9
2. Vinícius dos Santos, Didier Gastmans, Ricardo Sánchez-Murillo, Luiz Felippe Gozzo,
Jorge Martinez. 2019. Regional atmospheric dynamics govern interannual and seasonal
stable isotope composition in southeastern Brazil. Journal of Hydrology. https://doi.org/10.1016/j.jhydrol.2019.124136
3. Sánchez-Murillo, R., Ana M. Durán-Quesada, Germain Esquivel-Hernández, Daniela
Rojas-Cantillano, Christian Birkel, Nguyen Kien Chinh, Doerthe Tetzlaff, Chris Soulsby,
and Jan Boll. 2019. Hurricane isotope anatomy in a climate change sensitive region:
implications for tropical paleoclimatic re-constructions. Nature Communications. https://www.nature.com/articles/s41467-019-12062-3
4. Sebastián Granados; Vanessa Solano; Josie Geris; Liz Brenes; Guillermo Artavia;
Guillermo Brenes; Ricardo Sánchez-Murillo; Christian Birkel. 2019. Exploring extreme
rainfall impacts on flow and turbidity dynamics in a steep, pristine and tropical volcanic
catchment. CATENA. https://doi.org/10.1016/j.catena.2019.104118
5. Sánchez‐Murillo, R., Romero‐Esquivel, L. G., Jiménez‐Antillón, J., Salas‐Navarro, J.,
Corrales‐Salazar, L., Álvarez‐Carvajal, J., et al. (2019). DOC transport and export in a
dynamic tropical catchment. Journal of Geophysical Research: Biogeosciences, 124.
https://doi.org/10.1029/2018JG004897
6. Germain Esquivel-Hernández, Giovanny M. Mosquera, Ricardo Sánchez-Murillo,
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Christian Birkel, Patricio Crespo, Rolando Célleri, David Windhorst, Lutz Breuer, Jan
Boll. [in press]. Moisture transport and seasonal variations in the stable isotopic
composition of rainfall in Central American and Andean Páramos. Hydrological
Processes. 7. Polleth Campos-Arias, Germain Esquivel-Hernández, Jose Francisco
Valverde-Calderón, Stephanie Rodríguez-Rosales, Jorge Moya-Zamora, Ricardo
Sánchez-Murillo, Jan Boll. [in press]. GPS precipitable water vapor estimations over
Costa Rica: a comparison against atmospheric sounding and Moderate Resolution
Imaging Spectrometer (MODIS). Climate.
2018
8. Vinícius dos Santos, Marcelo Dias de Oliveira, Jan Boll, Ricardo Sánchez-Murillo,
Luiz Fellipe Gozzo, Didier Gastmans. 2018. Isotopic composition of precipitation during
strong ENSO events in the Southeastern region of Brazil. Hydrological Processes. 2018.
https://doi.org/10.1002/hyp.13351 9. Sawsan Gamal Abd El Samie and Ricardo Sánchez-Murillo. 2018. Enhancing the Use
of Isotope Hydrology in Planning, Management, and Development of Water Resources:
Teaching Modules in Environmental Isotope Hydrology for African Countries.
International Atomic Energy Agency.
10. Ricardo Sánchez-Murillo and Ana M. Durán-Quesada. 2018. Stable isotopes in
hydrological studies in the tropics: precipitation, groundwater and ecohydrological
perspectives in a changing climate. Hydrological Processes.
11. Salas-Navarro, J., Sánchez-Murillo, Ricardo; Esquivel-Hernández, Germain; and
Corrales-Salazar, L. 2018. Hydrogeochemical responses in tropical mountainous springs.
Isotopes in Environmental and Health Studies. 12. Esquivel-Hernández, Germain; Sánchez-Murillo, Ricardo; Quesada-Román, Adolfo;
Mosquera, Giovanny; Birkel, Christian; Boll, Jan. 2018. Insight into the stable isotopic
composition of glacial lakes in a tropical alpine ecosystem: Chirripó, Costa Rica.
Hydrological Processes. https://doi.org/10.1002/hyp.13286
13. Christian Birkel, Rachel Helliwell, Barry Thornton, Sheila Gibbs, Pat Cooper, Chris
Soulsby, Doerthe Tetzlaff, Luigi Spezia, Germain Esquivel-Hernández, Ricardo
Sánchez-Murillo, Andy Midwood. 2018. Characterization of surface water isoscapes in
a heterogeneous environment: The case of Scotland. Geochemical Exploration. https://doi.org/10.1016/j.gexplo.2018.07.011
14. Dehaspe, Joni, Birkel, Christian; Tetzlaff, Doerthe; Sanchez-Murillo, Ricardo; Durán-
Quesada, Ana; Soulsby, Chris. 2018. Preliminary tracer-aided modelling elucidates water
and isotope transport, storage and mixing in a sparsely monitored pristine, humid tropical
catchment. Hydrological Processes. https://doi.org/10.1002/hyp.13258
15. Welsh, K., Sánchez-Murillo, R., Roupsard, O., and J. Boll. 2018. Seasonal isotope
hydrology of a tropical coffee agroforestry watershed: Separating groundwater, springs,
and stream flow. Hydrological Processes. https://doi.org/10.1002/hyp.13149
16. Didier Gastmans, Ricardo Sánchez-Murillo, Ludmila Vianna Batista, Chang, Hung
Kiang. 2018. Chemical and isotopic dynamics on surface waters during a prolonged
ENSO-related baseflow period in southeastern Brazil. Hydrological Processes. https://doi.org/10.1002/hyp.13211
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17. Sanchez-Murillo, R; Aguirre-Duenas, E; Gallardo-Améstica, M; Moya-Vega, P; Birkel,
C; Esquivel-Hernandez, G and Boll, J. 2018. Isotopic Characterization of Waters Across
Chile. In Andean Hydrology (Rivera, D, Godoy-Faúndez, A and Lillo-Saavedra, M,
Eds). CRC Press, Boca Ratón, FL, USA. pp 205-230.
2017
18. Esquivel-Hernández, G., Sánchez-Murillo, R., Birkel, C., and J. Boll. 2017. Climate and
water conflicts co-evolution from a tropical development and hydro-climatic
perspectives: a case study of Costa Rica. Journal of the American Water Resources
Association, 1–20. https://doi.org/10.1111/1752-1688.12617
19. Ramírez-Leiva A, Sánchez-Murillo R, Martínez-Cruz M, Calderón H, Esquivel-
Hernández G, Delgado V, Birkel, C, Gazel, E, Alvarado-Induni, G, Soulsby, C. 2017.
Stable isotopes evidence for recycled subduction fluids in the hydrothermal/volcanic
activity across Nicaragua and Costa Rica. Vulcanology and Geothermal Research, 345:
172–183. https://doi.org/10.1016/j.jvolgeores.2017.08.013
20. Birkel, C., Brenes, A., and Sánchez-Murillo, R. 2017. The Tempisque-Bebedero
catchment system: energy-water-food consensus in the seasonally dry tropics of
northwestern Costa Rica. In Nexus Outlook “Assessing current and future challenges
in the Water, Energy, and Food Security. Eds: Al-Saidi, Mohammad and Lars Ribbe.
Nexus Research Focus, TH Köln- University of Applied Sciences.
21. Esquivel-Hernández, G., Sánchez-Murillo, R., Birkel, C., Good, S., and J. Boll. 2017.
Hydro-climatic and ecohydrological resistance/resilience conditions across tropical
biomes of Costa Rica. Ecohydrology, http://dx.doi.org/10.1002/eco.1860
22. Melitza Crespo-Medina, Katrina I. Twing, Ricardo Sánchez-Murillo, William J.
Brazelton, Thomas M. McCollom, Matthew O. Schrenk. 2017. Microbially mediated
methane cycling in a tropical serpentinizing environment: the Santa Elena Ophiolite,
Costa Rica. Front. Microbiol., https://doi.org/10.3389/fmicb.2017.00916
2016
23. Sánchez-Murillo, R., Delgado, M., Espinach, D., Lobo, M., Madrigal, F., Morera, A.,
Rojas, K., et al. 2016. Variación espacial de la composición de 222
Rn en los acuíferos
Barva y Colima Superior, Costa Rica. Rev. Geol. América Central, 55: 145-163, doi:
10.15517/rgac.v55i0.27072.
24. Sánchez-Murillo, R., A.M. Durán-Quesada, C. Birkel, G. Esquivel, J. Boll. 2016.
Tropical precipitation and d-excess anomalies during El Niño 2014-16. Hydrological
Processes Today, Scientific Briefings. https://doi.org/10.1002/hyp.11088
25. Candel, J., Brooks, E., Sánchez-Murillo, R., Grader, G., & Dijksma, R. 2016.
Identifying groundwater recharge connections in the Moscow (USA) sub-basin using
isotopic tracers and a soil moisture routing model. Hydrogeology Journal, 1-13. https://doi.org/10.1007/s10040-016-1431-x
26. Sánchez-Murillo, R., and C. Birkel. 2016. Groundwater recharge mechanisms inferred
from isoscapes in a complex tropical mountainous region. Geophys. Res. Lett., 43, https://doi.org/10.1002/2016GL068888
27. Sánchez-Murillo, R, Esquivel-Hernández G, Sáenz-RosaleS O, Piedra-Marín G,
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Fonseca-Sánchez A. 2016. Isotopic composition of precipitation and groundwater in the
northern mountainous region of the Central Valley, Costa Rica. Isotopes in
Environmental and Health Studies, https://doi.org/10.1080/10256016.2016.1193503
28. Sanchez-Murillo, R., Welsh, K., C. Birkel, G. Esquivel-Hernández, J. Corrales-Salazar,
J. Boll, E. Brooks, O. Roupsard, O. Sáenz-Rosales, I. Katchan, R. Arce-Mesén, C.
Soulsby, L. J. Araguás-Araguás. 2016. Key drivers controlling daily stable isotope
variations in precipitation of Costa Rica: Caribbean Sea versus eastern Pacific Ocean
moisture sources. Quaternary Science Reviews, 13: 1250-261.
https://doi.org/10.1016/j.quascirev.2015.08.028
29. Corrales-Salazar J.L, Sánchez-Murillo R, Esquivel-Hernández G, Herrera E. 2016.
Tracking the water fingerprints of Cocos Island: an analysis of isotopic variation in
precipitation, surface and groundwater. Int. J. Trop. Biol., 64 (Suppl. 1): S105-S0120.
https://doi.org/10.15517/rbt.v64i1.23420
2015
30. Germain Esquivel-Hernández, Mario Villalobos-Forbes, Ricardo Sánchez-Murillo,
Christian Birkel, Juan Valdés-González, Jan Boll. 2015. Near Surface Carbon Dioxide
and Methane in Urban Areas of Costa Rica. Air Pollution, 4: 208-223.
10.4236/ojap.2015.44018
31. Villalobos-González W, Esquivel-Hernández G, Sánchez-Murillo R, Corrales-Salazar
J.L. 2015. Analysis of benzene exposure levels of commuters traveling within the
metropolitan area of Costa Rica. Air Pollution, 4, 38-46. 10.4236/ojap.2015.41005
32. Ricardo Sánchez-Murillo, Erin S Brooks, William J Elliot & Jan Boll. 2015. Isotope
hydrology and baseflow geochemistry in natural and human-altered watersheds in the
Inland Pacific Northwest, USA. Isotopes in Environmental and Health Studies,
doi:10.1080/10256016.2015.1008468
33. Sanchez-Murillo, R., Brooks, E., Elliot W.J., Gazel E., and Boll, J. 2015. Baseflow
recession analysis in the inland Pacific Northwest. Hydrogeology Journal, 23 (2): 287-
303. https://doi.org/10.1007/s10040-014-1191-4
2014
34. Sánchez-Murillo R., Gazel E., Schwarzenbach E, Crespo-Medina M, Schrenk M, Boll J,
and Gill B. 2014. Geochemical evidence for active tropical serpentinization in the Santa
Elena Ophiolite, Costa Rica: An analogue of a humid early Earth? Geochemistry,
Geophysics, Geosystems. 15, https://doi.org/10.1002/2013GC005213
2013-2010
35. Sánchez-Murillo R., Brooks E.S., Simpson, L, Boll J., and Wilhelm, F. 2013.
Ecohydrological analysis of steelhead (O. mykiss) habitat in an effluent dependent stream
in the Pacific Northwest, USA. Ecohydrology, https://doi.org/10.1002/eco.1376
36. Sánchez-Murillo, R., G. Esquivel-Hernández, K. Welsh, E.S. Brooks, J. Boll, R. Alfaro-
Solís, and J. Valdés-González. 2013. Spatial and temporal variation of stable isotopes in
precipitation across Costa Rica: an analysis of historic GNIP records. Modern
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Hydrology, 3, 226-240, doi: 10.4236/ojmh.2013.34027
37. Sánchez-Murillo R., Piedra, G., León, S., and Solís, A. 2013. Atlas of chemical and
technological hazards of the Great Metropolitan Area of Costa Rica. Uniciencia, 27: 186-
214.
38. Sánchez-Murillo R. 2012. ¿Medicinal Water? The occurrence and fate of
pharmaceuticals in aquatic environments. A short communication. Uniciencia, 26 (1):
15-22.
39. Sánchez-Murillo R. 2011. An analysis of the chemical-technological accidents in the
Great Metropolitan Area of Costa Rica between 1998-2005. Uniciencia, 24: 25-33.
40. Sánchez-Murillo R., León S., Saravia Y., De Mena C. 2010. Total suspended sediments
and heavy metals in the Morote River basin, Nicoya, Guanacaste. Universidad Nacional.
Heredia, Costa Rica. Uniciencia, 23: 59-65.
Collaboration as Reviewer/Guest Editor* in International Journals (See
Publons Record link) and Research Proposals Acta Agronomica
Applied Water Science
Central America Geology Journal
Geochemical Exploration
Geochemistry, Geophysical, Geosystems
Geophysical Research Letters
Hydrological Processes
Hydrological Sciences
International Journal of Tropical Biology and Conservation
Isotopes in Environmental and Health Studies
Journal of Hydrology
Mountain Research and Development
Quaternary Science Reviews
Science of the Total Environment
Hong Kong Research Council
Ireland Geological Survey
HESS: Hydrology and Earth Science Systems
Water Resources Research
PLOS One
Tellus B
*Guess Editor for the current Special Issue “Stable Isotopes in Hydrological Studies in the
Tropics” Hydrological Processes Journal (2017-2019).
*Guess Editor for the current Special Issue “Environmental Isotopes Applications in the
Latinamerica and Caribbean region” Isotopes in Environmental and Health Studies Journal
(2019-2020).
Peer-review record: https://publons.com/author/1398166/ricardo-sanchez-murillo#profile
Google Scholar: https://scholar.google.com/citations?user=XiyJgYIAAAAJ&hl=en
ResearchGate: https://www.researchgate.net/profile/Ricardo_Sanchez-Murillo
ORCID: https://orcid.org/0000-0001-8721-8093
Invited talks and conferences
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2019: International Symposium on Isotope Hydrology, ID:105: High frequency stable isotope
tempestology of Hurricane Otto.
2019: International Symposium on Isotope Hydrology, ID:229: Tracer hydrology in a
hydrometric data-limited and complex tropical mountainous region: the case of the Central
American Isthmus.
2019: International Symposium on Isotope Hydrology, ID:217: Hydrogeological responses in
tropical mountainous springs.
2019: EGU2019-11598: A spatially-distributed assessment of non-stationary green and blue
water ages in a pristine tropical rainforest by Alicia Correa et al.
2019: EGU2019-11695: Tracer hydrology in a hydrometric data-limited and complex tropical
mountainous region: the case of the Central American Isthmus by Ricardo Sánchez-Murillo et
al.
2019: EGU2019-11991: Spatially-distributed isotopic and water quality sampling to
conceptualize the runoff generation in large-scale, humid tropical catchments by Sebastián
Granados et al.
2018: Ricardo Sánchez-Murillo: From Mountains to Cities: mapping multiple water sources
and distribution in the Central Valley of Costa Rica, IAEA, Vienna, Austria, October 2-5.
2018: Ricardo Sánchez-Murillo: Seguridad y Sostenibilidad Hídrica: Retos en Honduras.
Instituto Hondureño de Ciencias de la Tierra, UNAH-Tegucigalpa, Honduras. Abril, 2018.
2017: Ricardo Sánchez-Murillo: Seguridad y Sostenibilidad Hídrica: Rastreando El Ciclo
Hidrológico Desde Los Procesos Físico-Químicos Hasta La Política Pública. Instituto
Hondureño de Ciencias de la Tierra. Universidad Nacional Autonoma de Honduras.
Tegucigalpa, Honduras. May, 2018.
2017: Ricardo Sánchez-Murillo: Seguridad y Sostenibilidad Hídrica: Rastreando El Ciclo
Hidrológico Desde Los Procesos Físico-Químicos Hasta La Política Pública. I Congreso
Centroamericano de Ciencias de la Tierra y el Mar. San José, Costa Rica. 13-16 Nov.
2017: Ricardo Sánchez-Murillo: Tropical Precipitation Anomalies And D-Excess Evolution
During El Niño 2014-2016. I Congreso Centroamericano de Ciencias de la Tierra y el Mar.
San José, Costa Rica. 13-16 Nov.
2017: Ricardo Sánchez-Murillo: Variación Espacial de La Composición de 222Rn En Los
Acuíferos Barva Y Colima Superior, Costa Rica. I Congreso Centroamericano de Ciencias de
la Tierra y el Mar. San José, Costa Rica. 13-16 Nov.
2017: Ricardo Sánchez-Murillo: Hydrothermal Activity Across The Arc Volcanic Front Of
Nicaragua And Costa Rica Revealed By Stable Isotopes. I Congreso Centroamericano de
Ciencias de la Tierra y el Mar. San José, Costa Rica. 13-16 Nov.
2017: Sánchez-Murillo, R. Stable Isotope Hydrology in the Tropcis. Quito, Ecuador. 28 Nov –
2 Dec.
2016: Sánchez-Murillo, R. Stable isotope variations in tropical precipitation. Reappraising the
Use of Data on Isotopes in Precipitation. IAEA. Vienna, Austria. 12-15 September.
2016: Sánchez-Murillo, R., and C. Birkel. Stable isotope variations in a tropical landscapes.
AGU Chapman Conference “Emerging Issues in tropical ecohydrology”. Cuenca, Ecuador. 5-9
June.
2016: Curso Intensivo en Balances Hídricos e Hidrología Isotópica. Universidad Nacional,
Heredia, Costa Rica. 40 horas efectivas.
2016: Coordinación y Docente en el Curso Hidrología Isotópica. Maestría Regional en
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Ciencias del Agua, Centro de Investigación en Recursos Acuáticos, UNAN-Managua,
Nicaragua. 30 horas efectivas.
2015: Ponente en el Encuentro Universitario en Agua y Saneamiento. CONARE. Subcomisión
Agua y Saneamiento. San José, Costa Rica.
2015. R. Sánchez-Murillo et al. Key drivers controlling daily stable isotope variations in
precipitation of Costa Rica: Caribbean Sea versus Eastern Tropical Pacific Ocean moisture
sources. International Symposium of Isotope Hydrology, Vienna, Austria, May, 2015.
2014: Simposio “Recurso Hídrico y Adaptación al Cambio Climatico. Universidad Nacional,
Heredia, Costa Rica. 15 horas efectivas.
2014: Reunión Regional sobre el Enfoque del Marco Lógico para el Diseño de Proyectos de
Cooperación Técnica. Organismo Internacional de Energía Atómica. Montevideo, Uruguay. 29
de Setiembre al 3 de Octubre.
2014: R. Sánchez-Murillo, G. Esquivel-Hernández, J. Corrales-Salazar. Spatial and temporal
isotopic variation across Costa Rica: implications for water resources management. 7th
Environmental Partnership Services, Costa Rica.
2013: Sánchez-Murillo R., Boll J., Brooks E., and Elliot, W. 2013. Baseflow mean transit times
in natural and human-altered watersheds. American Geophysical Union, Fall Meeting 2013.
H21G-1144.
2013: Sanchez-Murillo R., Gazel E; Boll J., Schwarzenbach E.M. 2013. A new tropical active
serpentinization end-member discovered in Costa Rica. American Geophysical Union, Fall
Meeting 2013. MR33B-2324.
2013: Welsh Unwala K., Sánchez-Murillo R., Esquivel-Hernández G; Brooks E.S., Boll J.,
Alfaro-Solís R., Valdés-González J. 2013. Spatial and temporal variation of stable isotopes in
precipitation across Costa Rica. American Geophysical Union, Fall Meeting 2013 PP23C-
1998.
2013: Curso “Spatial Stable Isotopes in Large-Scale Ecology Course”. University of Utah,
USA. 80 horas efectivas.
2012: Simposio Internacional “Cambio Climatico; un analisis de la Ciencia hacia la Política”.
Universidad Nacional, Heredia, Costa Rica. 18 horas efectivas.
2012: Sánchez-Murillo R., Brooks E., Boll J., and Elliot, W. 2012. Baseflow recession analysis
in the inland Pacific Northwest. American Geophysical Union, Fall Meeting 2012. H11D-
1212.
2012: William L. Payne; Erin S. Brooks; Ricardo Sanchez-Murillo. 2012. In-Situ Measurement
of Vertical Bypass Flow Using a Drain Gauge. American Geophysical Union, Fall Meeting
2012.H31G-1213.
2010: Sánchez-Murillo R., Brooks E., and Boll J. 2010. Quantifying the net benefit impacts of
the Troy Waste Water Treatment Plant on Steelhead Habitat in the West Fork Little Bear Creek
drainage. American Geophysical Union, Fall Meeting 2010. H53F-1115.
2009: Sánchez-Murillo R., Brooks E., and Boll J. 2009. Hydrologic characterization using
event based δ18O, Si, and hydrometric measurements. American Geophysical Union, Fall
Meeting 2009. H33H-0990.
Other Qualifications Strong leadership and communication qualities
Advanced spatial analysis and R-visualization skills
Extensive expertise on hydro-geochemical and meteorology instrumentation
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Expert on stable isotope hydrology in tropical environments
Languages: Spanish (Native speaker), English (Fluent), Portuguese and French (technical and
scientific level).
Published two books on literature (essays and haiku poetry): 1. Sánchez-Murillo R., 2011. El equilibrio fantasma. Publisher Palibrio. Indiana, USA.
210 p. (ISBN: 978-1-4633-0414-0; Library of the Congress code: 2011933187). 2. Sánchez-Murillo R., 2018. Aún Amanece. Edinexo. ISBN: 978-9930-563-13-7. San
José, Costa Rica.