Temporal signatures of advective versus diffusive radon transport at a geothermal zone in Central Nepal

Journal of Environmental Radioactivity

Volumn 102, Issue 2, 2011, Pages 88-102

  Richon, Patrick ^a,b,c   Perrier, Frédéric ^b,c   Koirala, Bharat Prasad ^d   Girault, Frédéric ^b,c   Bhattarai, Mukunda ^d   Sapkota, Soma Nath ^d  

^a DIF   (France)

^b INSTITUT DE PHYSIQUE DU GLOBE DE PARIS   (France)

^c UNIVERSITÉ PARIS DESCARTES   (France)

^d CNRS ^*  (Nepal)

Author keywords

Advective flux; Carbon dioxide; Diffusive flux; Main Central Thrust.; Radon 222; Time series analysis

Indexed keywords

ADVECTIVE FLUX; DIFFUSIVE FLUX; DRY SEASONS; FOUR-POINT; HIGH FLUX; LONG-TERM VARIATIONS; MAIN CENTRAL THRUSTS; MAXIMUM FLUX; MEAN VALUES; MONSOON SEASON; NATURAL CAVITY; PERIODIC COMPONENTS; PRESSURE SOURCE; RADON CONCENTRATIONS; RADON DIFFUSION; RADON TRANSPORT; RADON-222; REFERENCE POINTS; SEMI-DIURNAL; SHALLOW DEPTHS; TEMPORAL SIGNATURES; TEMPORAL STABILITY; TEMPORAL VARIATION;

ADVECTION; ATMOSPHERIC THERMODYNAMICS; CARBON DIOXIDE; CONCENTRATION (PROCESS); HARMONIC ANALYSIS; HOT SPRINGS; PROBES; TIME SERIES ANALYSIS;

RADON;

CARBON DIOXIDE; RADON 222;

ADVECTION; BAROMETRY; CARBON DIOXIDE; CARBON EMISSION; CONCENTRATION (COMPOSITION); DIFFUSION; GEOTHERMAL SYSTEM; RADON ISOTOPE; SEISMICITY; TEMPORAL VARIATION; THERMAL SPRING; THRUST; TIME SERIES ANALYSIS;

ADVECTION; ARTICLE; DIFFUSION; ENVIRONMENTAL MONITORING; GEOTHERMAL ENERGY; MODULATION; NEPAL; SEASONAL VARIATION; SOIL; TEMPERATURE;

CARBON DIOXIDE; CONVECTION; DIFFUSION; HOT SPRINGS; NEPAL; RADIATION MONITORING; RADON; SOIL POLLUTANTS, RADIOACTIVE; SPECTRUM ANALYSIS; TIME FACTORS;

NEPAL;

EID: 78651247536     PISSN: 0265931X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jenvrad.2010.10.005     Document Type: Article

References (48)

1. Allard P., Hammouya G., Parello F. Dégazage magmatique diffus à la Soufrière de Guadeloupe, Antilles. C.R. Acad. Sci. II A 1998, 327(5):315-318.
2. Avouac J.-P., Bollinger L., Lavé J., Cattin R., Flouzat M. Le cycle sismique en Himalaya. C.R. Acad. Sci. II A 2001, 333:513-519.
3. 2 fluxes: quantitative constraints from hydrothermal springs. Earth Planet Sci. Lett. 2008, 265:616-629.
4. Bettinelli P., Avouac J.-P., Flouzat M., Bollinger L., Ramillien G., Rajaure S., Sapkota S. Seasonal variations of seismicity and geodetic strain in the Himalaya induced by surface hydrology. Earth Planet Sci. Lett. 2008, 266(3-4):332-344.
5. Bollinger L., Avouac J.-P., Cattin R., Pandey M.R. Stress buildup in the Himalaya. J. Geophys. Res. 2004, 109:B11405.
6. Bollinger L., Perrier F., Avouac J.-P., Sapkota S., Gautam U., Tiwari D.R. Seasonal modulation of seismicity in the Himalaya of Nepal. Geophys. Res. Lett. 2007, 34:L08304.
7. Byrdina S., Revil A., Pant S.R., Koirala B.P., Shrestha P.L., Tiwari D.R., Gautam U.P., Shrestha K., Sapkota S.N., Contraires S., Perrier F. Dipolar self-potential anomaly associated with carbon dioxide and radon flux at Syabru-Bensi hot springs in central Nepal. J. Geophys. Res. 2009, 114:B10101.
8. Crockett R.G.M., Perrier F.E., Richon P. Spectral-decomposition techniques for the Identification of periodic and anomalous phenomena in radon time-series. Nat. Hazards Earth Syst. Sci. 2010, 10:559-564.
9. 222Rn in the subsurface of the volcanic island of Tenerife, Canary Islands. Geophys. Res. Lett. 2002, 29(22):2069.
10. Eff-Darwich A., Viñas R., Soler V., de la Nuez J., Quesada M.L. Natural air ventilation in underground galleries as a tool to increase radon sampling volumes for geologic monitoring. Radiat. Meas. 2008, 43(8):1429-1436.
11. Evans M.J., Derry L.A., France-Lanord C. Degassing of metamorphic carbon dioxide from the Nepal Himalaya. Geochem. Geophys. Geosyst. 2008, 9:Q04021.
12. Ferry, C., Richon, P., Sabroux, J.-C., 1996. TRACI, a model for radon transfer in soils: description and validation. In: Proceeding of the Radon Investigation in Czech Republic VI, Third International Workshop, Prague, pp. 108-116.
13. Ferry C., Beneïto A., Richon P., Robe M.-C. An automatic device for measuring the effect of meteorological factors on radon-222 flux from soils in the long term. Radiat. Prot. Dosimetry 2001, 93(3):271-274.
14. 2 soil degassing investigations. Geophys. Res. Lett. 2006, 33:L17304.
15. Girault F., Koirala B.P., Perrier F., Richon P., Rajaure S. Persistence of radon-222 flux during monsoon at a geothermal zone in Nepal. J. Environ. Radioact. 2009, 100:955-964.
16. Grammakov A.G. On the influence of some factors in the Spreading of radioactive emanations under natural conditions. Zhur. Geofiz 1936, 6:123-148.
17. 2 flux on Mt. Etna: the 2004-2005 eruption and the role of regional tectonics and volcano tectonics. J. Geophys. Res. 2008, 113:B09206.
18. İnan S., Akgül T., Seyis C., Saatçilar R., Baykut S., Ergintav S., Baş M. Geochemical monitoring in the Marmara region (NW Turkey): a search for precursors of seismic activity. J. Geophys. Res. 2008, 113:B03401.
19. Igarashi G., Saeki S., Takahata N., Sumikawa K., Tasaka S., Sasaki Y., Takahashi M., Sano Y. Ground-water radon anomaly before the Kobe earthquake in Japan. Science 1995, 269(5220):60-61.
20. King C.-Y. Radon emanation on San Andreas fault. Nature 1978, 271(5645):516-519. (London, UK).
21. King C.-Y. Impulsive radon emanation on a creeping segment of the San Andreas fault, California (USA). Pure Appl. Geophys. 1984, 122(2-4):340-352.
22. Kohn M.J. P-T-t data from central Nepal support critical taper and repudiate large-scale channel flow of the Greater Himalayan Sequence. Geol. Soc. Am. Bull. 2008, 120(3-4):259-273.
23. Lemonnier C., Marquis G., Perrier F., Avouac J.-P., Chitrakar G., Kafle B., Sapkota S., Gautam U., Tiwari D., Bano M. Electrical structure of the Himalaya of Central Nepal: high conductivity around the mid-crustal ramp along the MHT. Geophys. Res. Lett. 1999, 26:3261-3264.
24. Martín-Luis C., Quesada M., Eff-Darwich A., De la Nuez J., Coello J., Ahijado A., Casillas R., Soler V. A new strategy to measure radon in an active volcanic island (Tenerife, Canary Islands). Environ. Geol. 2002, 43(1):72-78.
25. Nazaroff W.W. Radon transport from soil to air. Rev. Geophys. 1992, 30(2):137-160.
26. Neri M., Behncke B., Burton M., Galli G., Giammanco S., Pecora E., Privitera E., Reitano D. Continuous soil radon monitoring during the July 2006 Etna eruption. Geophys. Res. Lett. 2006, 33:L24316.
27. Papastefanou C. An overview of instrumentation for measuring radon in soil gas and groundwaters. J. Environ. Radioact. 2002, 63(3):271-283.
28. Perrier F., Richon P. Spatiotemporal variation of radon and carbon dioxide concentrations in an underground quarry: coupled processes of natural ventilation, barometric pumping and internal mixing. J. Environ. Radioact. 2010, 101:279-296.
29. Perrier F., Morat P., Le Mouël J.-L. Dynamics of air avalanches in the access pit of an underground quarry. Phys. Rev. Lett. 2002, 89(13):1345011-1345014.
30. Perrier F., Richon P., Crouzeix C., Morat P., Le Mouël J.-L. Radon-222 signatures of natural ventilation regimes in an underground quarry. J. Environ. Radioact. 2004, 71(1):17-32.
31. Perrier F., Richon P., Gautam U., Tiwari D.R., Shrestha P., Sapkota S.N. Seasonal variations of natural ventilation and radon-222 exhalation in a slightly rising dead-end tunnel. J. Environ. Radioact. 2007, 97:220-235.
32. Perrier F., Richon P., Byrdina S., France-Lanord C., Rajaure S., Koirala B.P., Shrestha P.L., Gautam U.P., Tiwari D.R., Revil A., Bollinger L., Contraires S., Bureau S., Nath Sapkota S. A direct evidence for high carbon dioxide and radon-222 discharge in Central Nepal. Earth Planet Sci. Lett. 2009, 278:198-207.
33. Perrier F., Richon P., Sabroux J.-C. Temporal variations of radon concentration in the saturated soil of Alpine grassland: the role of groundwater flow. Sci. Total Environ. 2009, 407(7):2361-2371.
34. Pinault J.-L., Baubron J.-C. Signal processing of soil gas radon, atmospheric pressure, moisture, and soil temperature data: a new approach for radon concentration modeling. J. Geophys. Res. 1996, 101(B2):3157-3171.
35. Richon P., Sabroux J.-C., Halbwachs M., Vandemeulebrouck J., Poussielgue N., Tabbagh J., Punongbayan R. Radon anomaly in the soil of Taal volcano, the Philippines: a likely precursor of the M 7.1 Mindoro earthquake (1994). Geophys. Res. Lett. 2003, 30(9):1481.
36. Richon P., Perrier F., Sabroux J.-C., Trique M., Ferry C., Voisin V., Pili E. Spatial and time variations of radon-222 concentration in the atmosphere of a dead-end horizontal tunnel. J. Environ. Radioact. 2005, 78(2):179-198.
37. 222Rn in soil gas of the Gulf of Corinth region, Greece. Radiat. Meas. 2007, 42:87-93.
38. Richon P., Perrier F., Pili E., Sabroux J.-C. Detectability and significance of 12 hr barometric tide in radon-222 signal, dripwater flow rate, air temperature and carbon dioxide concentration in an underground tunnel. Geophys. J. Int. 2009, 176:683-694.
39. Ruckerbauer F., Winkler R. Radon concentration in soil gas: a comparison of methods. Appl. Radiat. Isot. 2001, 55(2):273-280.
40. Shapiro M.H., Melvin J.D., Tombrello T.A., Mendenhall M.H., Larson P.B., Whitcomb J.H. Relationship of the 1979 Southern California Radon anomaly to a possible regional strain event. J. Geophys. Res. 1981, 86(B3):1725-1730.
41. Steinitz G., Piatibratova O. Radon signals in the Gavnunim intrusion, Makhtesh Ramon, Israel. Geophys. J. Int. 2010, 180:651-665.
42. Steinitz G., Piatibratova O., Barbosa S.M. Radon daily signals in the Elat Granite, southern Arava, Israel. J. Geophys. Res. 2007, 112:B10211.
43. Sundal A.V., Valen V., Soldal O., Strand T. The influence of meteorological parameters on soil radon levels in permeable glacial sediments. Sci. Total Environ. 2008, 389(2-3):418-428.
44. Tanner, A.B., 1964. Radon migration in the ground: a review. In: Proceeding of the The Natural Radiation Environment. Chicago, pp. 161-190.
45. Trique M., Richon P., Perrier F., Avouac J.-P., Sabroux J.-C. Radon emanation and electric potential variations associated with transient deformation near reservoir lakes. Nature 1999, 399(6732):137-141. (London, UK).
46. Upreti B.N. An overview of the stratigraphy and tectonics of the Nepal Himalaya. J. Asian Earth Sci. 1999, 17:577-606.
47. 222Rn concentrations in the Carlsbad Caverns. Health Phys. 1976, 31(2):139-145.
48. 222Rn and temperature measurements on Merapi volcano, Indonesia. J. Volcanol. Geoth. Res. 2003, 125(1-2):25-38.