José M. Vaquero

I am an assistant professor at the Universidad de Extremadura (Spain). My main areas of research are:

• Reconstruction of solar activity and space climate.
• Climate variability during the last millennium from documental sources.
• History and teaching of geophysics and astronomy.

• Bs. in Physics, University of Extremadura (Spain), 1997.
• Visiting Scientist, UNAM, Mexico, May 1999
• Ms. in Meteorology, University of Extremadura (Spain), 2001.
• Ph.D. in Physics, University of Extremadura (Spain), 2002
• Teaching Assistant, University of Extremadura, 2001-05
• Visiting Scientist, Lisbon Geophysical Centre, Portugal, summers 2003, 2004, 2005
• Assistant Professor, University of Extemadura, 2006-present.

Books:

1. J. M. Vaquero (1998) Átomos y movimiento (Cáceres: Servicio de Publicaciones de la Universidad de Extremadura, 248 pp).
2. J. M. Vaquero (2003) Galileo. La nueva Física (Madrid: Nivola, Libros y Ediciones, 160 pp).
3. J. M. Vaquero, M. Vázquez (2008) The Sun Recorded through History. Scientific Data Extracted from Historical Sources (Springer, in press).

Contributions in journals included in the Science Citation Index (SCI):

1. M. C. Gallego, J. A. García, J. M. Vaquero and F. Sánchez Bajo (1999) “A strange attractor over daily timescale in the visual observations of Z Andromedae?” Acta Astronomica 49, 171-180.
2. M. C. Gallego, J. M. Vaquero, J. A. García and M. L. Cancillo (1999) “A measurement of height Teide in 1776” European Journal of Physics 20(5), 321-325.
3. J. M. Vaquero and M. C. Gallego (2001) “Two early observations of aurora at low latitudes” Annales Geophysicae 19, 809-811.
4. J. M. Vaquero (2001) “An aurora observed from Badajoz (Spain) in 1770” The Observatory 121, 386-387.
5. J. M. Vaquero and M. C. Gallego (2002) “Evidence for a sunspot of A. D. 939 in an Arabian Source” Solar Physics 206(1), 209-211.
6. J. M. Vaquero and M. C. Gallego (2002) “A naked-eye observation of a sunspot by Ibn Rushd” Astronomy & Geophysics 43(2), 28.
7. F. Sánchez-Bajo, J. M. Vaquero and M. P Rubio Montero (2002) “Measuring the solar limb-darkening with a modest equipment” European Journal of Physics 23, 323-330.
8. J. M. Vaquero, F. Sánchez-Bajo and M. C. Gallego (2002) “A measure of the solar rotation during the Maunder Minimum” Solar Physics 207, 219-222.
9. J. M. Vaquero (2002) “The Ether in the Work of the Spanish Astronomer Pedro Carrasco (1883-1966)” The Observatory 122, 306-307.
10. J. M. Vaquero, F. Sánchez-Bajo and M. C. Gallego (2002) “On the reliability of the de la Rue sunspots areas measurements” Solar Physics 209, 311-319.
11. J. M. Vaquero, M. C. Gallego and J. A. García (2002) “A 250-year cycle in naked-eye observations of sunspot” Geophysical Research Letters 29(20), 1997, 58.1-58.4. (doi:10.1029/2002GL014782).
12. J. M. Vaquero, M. C. Gallego and J. A. García (2003) “Auroras in the Iberian Peninsula (1700-1855) from Rico Sinobas’ Catalogue” Journal of Atmospheric and Solar-Terrestrial Physics 65, 677-682.
13. J. M. Vaquero (2003) “New data for the reconstruction of the solar activity: the case of Andrea Argoli” The Observatory 123, 150-151.
14.  J. M. Vaquero (2003) “The solar corona in the eclipse of 24 June 1778” Solar Physics 216, 41-45.

15. J. M. Vaquero, M. C. Gallego and F. Sánchez-Bajo (2003) “Periodicities on the de la Rue sunspot area measurements” Solar Physics 218, 307-317.
16. J. M. Vaquero, R. Vílchez, J. A. Méndez-Sierra, J. M. Barrigón and V. Gómez-Escobar (2004) “Analysis of an Early measurement of the propagation velocity of sound in the atmosphere” Applied Acoustic 65, 59-67.
17. J. M. Vaquero (2004) “Solar signal in the number of floods recorded for the Tagus river basin over the last millennium” Climatic Change 66, 23-26.
18. J. M. Vaquero (2004) “On the solar activity during the year 1784” Solar Physics 219, 379-384.
19. J. M. Vaquero, M. C. Gallego; F. Sánchez-Bajo (2004) “Reconstruction of a monthly homogeneous sunspot area series since 1832” Solar Physics 221(1), 179-189.
20. J. M. Vaquero (2004) “A forgotten naked-eye sunspot recorded by Galileo” Solar Physics 223, 283-286.
21. M.L. Cancillo, A. Serrano, A.M. Ruiz, J.A. García, M. Antón and J. M. Vaquero (2005) “Global solar radiation and sunshine duration in Extremadura” Physica Scripta 118, 24-28.
22. J. M. Vaquero, R. M. Trigo and M. C. Gallego (2005) “A “lost” sunspot observation in 1785” Astronomische Nachrichten 326(2), 112-114, doi: 10.1002/asna.200410343.
23. J. M. Barrigón; V. Gómez-Escobar; J. A. Méndez-Sierra; R. Vílchez-Gómez; J. M. Vaquero; J. Trujillo Carmona (2005) “A categorization method applied for environmental noise studies in five Spanish cities” Journal of Acoustic Society of America 117(5), 2844-2852.
24. J. M. Vaquero (2005) “On the use of sunspot number for the estimation of past solar and upper atmosphere conditions from historical and modern auroral observations” Annales Geophysicae 23, 1959-1961.
25. J. M. Barrigón, V. Gómez Escobar, J. M. Vaquero, J. A. Méndez-Sierra and R. Vílchez-Gómez (2005) “Measurements of noise pollution in Badajoz City, Spain” Acta Acustica 91(4), 797-801.
26. J. M. Vaquero; A. Gordillo; M. C. Gallego; F. Sánchez-Bajo and J. A. García (2005) “The umbra-penumbra area ratio of sunspots from the de la Rue data” The Observatory 125, 152-156.
27. J. M. Vaquero, M. C. Gallego and J. A García (2005) “Early meteorological records of Manila: El Niño episode of 1864” Atmósfera 18(3), 245-258.
28. J. M. Vaquero and R. M. Trigo (2005) “Results of the Rio de Janeiro magnetic observations 1781-1788” Annales Geophysicae 23, 1881-1887.
29. J. M. Vaquero, M. C. Gallego and J. J. Sanjosé (2005) “A Note on Measurements of Geomagnetic Declination Across Atlantic Ocean in the Eighteen Century” Physics of the Earth and Planetary Interiors 152, 62-66.
30. J. M. Vaquero and R. M. Trigo (2005) “Auroras observed in Portugal in the late 18th century from printed and manuscript meteorological observations” Solar Physics 231, 157-166.
31. M. C. Gallego, J. A. García, J. M. Vaquero (2005) “The NAO signal on daily rainfall series over the Iberian Peninsula” Climate Research 29, 103-109.
32. R. Casas, J. M. Vaquero and M. Vázquez (2006) “Solar Rotation in the 17th century” Solar Physics 234, 379-392.
33. J. M. Vaquero and R. M. Trigo (2006) “Identification of possible intense historical solar storms during the years 1781-1788 inferred from auroras and geomagnetic observations in Rio de Janeiro” Solar Physics 235,419-432.
34. J. M. Vaquero, J. A. García, M. C. Gallego (2006) “A Note on Solar Cycle Length Estimates” Solar Physics 235, 433-437.
35. Sánchez Bajo, F. and J. M. Vaquero (2006) “Variable Stars in the Classroom” European Journal of Physics 27, 635-646.
36. J. M. Vaquero and R. M. Trigo (2006) “Results of Geomagnetic Observations in Central Africa by Portuguese Explorers during 1877-1885” Physics of the Earth and Planetary Interiors 157, 8-15.
37. J. M. Vaquero, M. C. Gallego, R. M. Trigo, F. Sánchez-Bajo, M. L. Cancillo and J. A. García (2006) “A New Reconstruction of Total Solar Irradiance Since 1832” Atmósfera 19(4), 267-274.
38. M. Vázquez, J. M. Vaquero and J. J. Curto (2006) “On the connection between solar activity and low latitude aurorae in the period 1715-1860” Solar Physics 238, 405-420.
39. M. C. Gallego, J. A. Gacía, J. M. Vaquero and V. L. Mateos (2006) “Changes in frequency and intensity of daily precipitation over the Iberian Peninsula” J. Geophys. Res. 111, D24105, doi:10.1029/2006JD007280.
40. J. A. García, M. C. Gallego, A. Serrano and J. M. Vaquero (2007) “Trends in block-seasonal extreme rainfall over the Iberian Peninsula in the second half of the 20th century” Journal of Climate 20, 113-130.
41. J. M. Vaquero, R. M. Trigo, M. C. Gallego and M. A. Moreno Corral (2007) “Two early sunspots observers: Teodoro de Almeida and José Antonio Alzate” Solar Physics 240, 165-175.
42. J. M. Vaquero and M. C. Gallego (2007) “Sunspot Numbers Can Detect Pandemic Influenza A: the Use of Different Sunspot Numbers” Medical Hypotheses 68(5), 1189-1190.
43. J. M. Vaquero (2007) “Historical Sunspot Observations: A Review” Advances in Space Research 40, 929-941.pdf
44. J. M. Vaquero, M. C. Gallego and F. Sánchez-Bajo (2007) “Improving Sunspot Records: Observations by M. Hell Revisited” The Observatory 127, 221-224.
45. M. Antón, A. Serrano, M. L. Cancillo, J. M. Vaquero and J.A. García (2007) “Ozone Mini-Hole over South-Western Spain during January 2004: Influence over Ultraviolet Radiation” Geophysical Research Letters 34(10), CiteID L10808.
46. J. M. Vaquero, M. C. Gallego and R. M. Trigo (2007) “The sunspot numbers during 1736-1739 revisited” Advances in Space Research 40 (12), 1895-1903.
47. J. M. Vaquero, R. M. Trigo and M. C. Gallego (2007) “Sporadic Aurora from Spain” Earth, Planets and Space 59, e49–e51.
48. M. Chenoweth, J. M. Vaquero, R. García-Herrera, D. Wheeler (2007) “A Pioneer in Tropical Meteorology: William Sharpe’s Barbados Weather Journal, April-August 1680” Bulletin of the American Meteorological Society 88, 1957-1964.
49. J. M. Vaquero and Y. Vaquero (2008) “Mental Illness and Sunspot Number: Is There a Relationship?” Medical Hypotheses 70, 204.
50. J. M. Vaquero, R. García-Herrera, D. Wheeler, M. Chenoweth and C. Mock (2008) “An historical analogue of 2005 Hurricane Vince” Bulletin of the American Meteorological Society 89, 191-201.
51. R. M. Trigo and J. M. Vaquero (2008) “An unsung hero” Astronomy & Geophysics 49, 2.14-2.16.
52. J. M. Vaquero and R. M. Trigo (2008) “Can the Solar Cycle Amplitude Be Predicted Using the Preceding Solar Cycle Length?” Solar Physics 250, 199-206.
53. J. M. Vaquero, M. A. Valente, R. M. Trigo, P. Ribeiro, and M. C. Gallego (2008) “The 1870 space weather event: Geomagnetic and auroral recordsJournal of Geophysical Research 113, A08230, doi:10.1029/2007JA012943.
54. R. M. Trigo, J. M. Vaquero, M. J. Alcoforado, M. Barriendos, J. Taborda, R. García-Herrera and J. Luterbacher (2008) “1816, the year without summer in Iberia” International Journal of Climatology , doi 10.1002/joc.1693.
55. L.H. Ma and J. M. Vaquero "Is the Suess cycle present in historical naked-eye observations of sunspots?" New Astronomy (accepted)

•   Other Links
  
  

  1. Annual number of naked-eye sunspots (200 B.C.-1918 A.D.)

  2. Meteorological data from “Diario de Badajoz” (1830)