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Measuring Atmospheric Ozone and Nitrogen Dioxide Concentration by Differential Optical Absorption Spectroscopy
The main objective was to develop a procedure based on differential optical absorption spectroscopy (DOAS) to measure atmospheric total column of ozone, using the automated instrument developed at the University of North Texas (UNT) by Nebgen in 2006. This project also explored the ability of this instrument to provide measurements of atmospheric total column nitrogen dioxide. The instrument is located on top of UNT’s Environmental Education, Science and Technology Building. It employs a low cost spectrometer coupled with fiber optics, which are aimed at the sun to collect solar radiation. Measurements taken throughout the day with this instrument exhibited a large variability. The DOAS procedure derives total column ozone from the analysis of daily DOAS Langley plots. This plot relates the measured differential column to the airmass factor. The use of such plots is conditioned by the time the concentration of ozone remains constant. Observations of ozone are typically conducted throughout the day. Observations of total column ozone were conducted for 5 months. Values were derived from both DOAS and Nebgen’s procedure and compared to satellite data. Although differences observed from both procedures to satellite data were similar, the variability found in measurements was reduced from 70 Dobson units, with …
Date:
December 2011
Creator:
Jerez, Carlos J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Geological and geophysical signatures of the Jemez lineament: a reactivated Precambrian structure
The Jemez lineament (N52/sup 0/E) is one of several northeast-trending lineaments that traverse the southwestern United States. It is defined by a 500-km-long alignment of late Cenozoic volcanic fields extending southwest from at least the Jemez Mountains in the north-central New Mexico to the San Carlos-Peridot volcanic field in east-central Arizona. Geochronologic data from Precambrian basement rocks indicate that the lineament is approximately coincident with a boundary between Precambrian crustal provinces. Characteristics of the lineament are high heat flow (>104.5 mW/m/sup 2/), an attenuated seismic velocity zone from 25 to 140 km depth, and an upwarp of the crustal electrical conductor inferred from magnetotelluric studies. The high electrical conductivity is probably caused by the presence of interstitial magma in the rocks of the mid-to-upper crust. The average electical strike within the Precambrian basement is N60/sup 0/E, supporting a relationship between the Precambrian structural grain and the Jemez lineament. The geological and geophysical data suggest that the lineament is a structural zone that extends deep into the lithosphere and that its location was controlled by an ancient zone of weakness in the Precambrian basement. Ages of late Cenozoic volcanic rocks along the lineament show no systematic geographic progression, thus indicating that …
Date:
January 1, 1981
Creator:
Aldrich, M. J., Jr.; Ander, M. E. & Laughlin, A. W.
Object Type:
Article
System:
The UNT Digital Library
The European View of the Incas in the Sixteenth Century
This study seeks to ascertain European views concerning the nature of the indigenous population of Peru by employing contemporary works of Spanish chroniclers. Major focus is on the ideological background of the conquest with elaborations on Iberian philosophies held by conquistadors. Equally important are evaluations of Indian religion and social customs based on such sources as Aristotelian and Thomist doctrines as understood by Spanish writers. Political organization and the hierarchy of rulers play vital roles in determining why the Spaniards overwhelmed the Indians. Conquest destroyed the socio-economic structure of the Inca Empire, and the bonds holding communities together were lost as the Incas accepted Catholicism as their cult.
Date:
May 1976
Creator:
Greene, Gayle Lee
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Controversial Identity of Flamenco Jazz: A New Historical and Analytical Approach
There are certain recordings by important artists such as Lionel Hampton, Miles Davis, John Coltrane, Pedro Iturralde, Chick Corea, and Paco de Lucía, among others, that have been associated with the label flamenco jazz. This label is entering jazz discourse, and it needs to be better understood in order to clarify its history, its identity, and its impact on recent developments in flamenco that are labeled nuevo flamenco. There is a lack of agreement in the existent literature on flamenco jazz on the evaluation of these recordings and these artists' achievements and contributions to this field. These writings encompass authors from different backgrounds: journalists, critics, and musicologists, who have approached their analysis of the recordings from different perspectives. The differences in professional backgrounds, approaches, and purpose of the writings of these authors has resulted in controversy about this label. Therefore, the flamenco jazz scholarly conversation needs more objective writings from an analytical point of view. This historiographical study presents a more comprehensive evaluation of flamenco jazz by discussing selected recordings using analytical tools from jazz studies. These analytical arguments clarify the aesthetics of flamenco jazz and the artistic processes that these artists went through when combining musical elements from flamenco …
Date:
May 2016
Creator:
Pamies, Sergio, 1983-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Influence of Flamenco on Selected Works of Picasso
This thesis investigates, analyzes, and discusses Picasso's imagery in the cultural context of the nineteenth-century Spanish tradition of flamenco. Two published photographs featuring the elderly artist with the gypsy guitarist Manitas de Plata initiated the study, and led me to the conclusion that selected works by Picasso were influenced psychologically, thematically, and formally by his youth which was spent in the Andalusian province of Malaga and later in Barcelona. Picasso's early artistic education occurred at precisely the same time and place as The Golden Age of Flamenco in Spain, a cultural phenomenon that profoundly affected both his life and art.
Date:
August 1995
Creator:
Twell, Mary Tudor
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Social Ideas in the Valencian and Madrid Novels of Vicente Blasco Ibanez
This thesis studies the life and the novels of Vicente Blasco Ibanez, including his Valencian period and his Madrid novels
Date:
August 1966
Creator:
Sutton, Jack H.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Brownsville Herald (Brownsville, Tex.), Vol. 21, No. 120, Ed. 1 Tuesday, November 25, 1913
Daily newspaper from Brownsville, Texas that includes local, state and national news along with advertising.
Date:
November 25, 1913
Creator:
Slattery, Martin J.
Object Type:
Newspaper
System:
The Portal to Texas History
El Paso Morning Times (El Paso, Tex.), Vol. 35TH YEAR, Ed. 1, Friday, June 4, 1915
Daily newspaper from El Paso, Texas that includes local, state and national news along with extensive advertising.
Date:
June 4, 1915
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Daily News-Telegram (Sulphur Springs, Tex.), Vol. 33, No. 114, Ed. 1 Thursday, May 14, 1931
Daily newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
May 14, 1931
Creator:
Bagwell, J. S.
Object Type:
Newspaper
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 63, No. 196, Ed. 1 Tuesday, July 19, 1977
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
July 19, 1977
Creator:
Duck, Marilyn
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Brownsville Daily Herald (Brownsville, Tex.), Vol. 14, No. 109, Ed. 1, Tuesday, November 7, 1905
Daily newspaper from Brownsville, Texas that includes local, state and national news along with extensive advertising.
Date:
November 7, 1905
Creator:
Wheeler, Jesse O.
Object Type:
Newspaper
System:
The Portal to Texas History
Perry Daily Journal (Perry, Okla.), Vol. 81, No. 68, Ed. 1 Saturday, April 20, 1974
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 20, 1974
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
El Paso Morning Times (El Paso, Tex.), Vol. 36TH YEAR, Ed. 1, Tuesday, February 6, 1917
Daily newspaper from El Paso, Texas that includes local, state and national news along with extensive advertising.
Date:
February 6, 1917
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Diogenes (McAllen, Tex.), Vol. 2, No. 74, Ed. 1 Saturday, June 2, 1923
Weekly Spanish-language newspaper from McAllen, Texas that includes local, state, and national news along with advertising.
Date:
June 2, 1923
Creator:
Tapia, Adrian
Object Type:
Newspaper
System:
The Portal to Texas History
Rio Grande Herald (Rio Grande City, Tex.), Vol. 86, No. 22, Ed. 1 Thursday, June 3, 1999
Weekly newspaper from Rio Grande City, Texas that includes local, state and national news along with extensive advertising.
Date:
June 3, 1999
Creator:
Roberts, Kenneth
Object Type:
Newspaper
System:
The Portal to Texas History
El Paso Morning Times (El Paso, Tex.), Vol. 36TH YEAR, Ed. 1, Friday, June 22, 1917
Daily newspaper from El Paso, Texas that includes local, state and national news along with extensive advertising.
Date:
June 22, 1917
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
El Paso Morning Times (El Paso, Tex.), Vol. 35TH YEAR, Ed. 1, Sunday, August 22, 1915
Daily newspaper from El Paso, Texas that includes local, state and national news along with extensive advertising.
Date:
August 22, 1915
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
El Paso Morning Times (El Paso, Tex.), Vol. 36TH YEAR, Ed. 1, Monday, November 13, 1916
Daily newspaper from El Paso, Texas that includes local, state and national news along with extensive advertising.
Date:
November 13, 1916
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
El Paso Morning Times (El Paso, Tex.), Vol. 36TH YEAR, Ed. 1, Saturday, February 12, 1916
Daily newspaper from El Paso, Texas that includes local, state and national news along with extensive advertising.
Date:
February 12, 1916
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Comprehensive Microfilm Index of Roll 24: Miscellaneous Materials
Compilation of forms that provide an overview of topics, names, and other content of original documents on microfilm at the Old Spanish Mission Historical Research Library.
Date:
January 1983
Creator:
Rock, Rosalind Z.
Object Type:
Text
System:
The Portal to Texas History
An Investigation of the Traditional Cante Jondo as the Inspiration for the Song Cycle Five Poems of Garcia Lorca by Elisenda Fabregas
The traditional cante jondo is a song unique to Andalusia as it developed from the "mosaic" of cultures that have inhabited its borders, including Arabs, Jews and Gypsies. The genre expresses the history of the region, reveals the typography of the landscape and cries the tears of its people. "Deep song," the translation for cante jondo, is the forerunner of the flamenco, but it is a communication of a dark soul rather than an exuberant entertainment. The original folk idiom is a medium less concerned with beauty than the cathartic release of pain of every day life. It expresses the soul of Andalusia. This study explores the history and the poetic and musical forms Andalusian cante jondo as the inspiration for the poetry of Federico Garcia Lorca set by Elisenda Fabregas in the song cycle, Five Poems of Garcia Lorca (1992). Lorca felt the validity of "deep song" and he was disturbed that it was being corrupted by commercialism and was afraid it would be lost to posterity. His goal was to preserve the essence of the song and lift it to an artistic plain. He saw folk music as the core of the national musical and literary identity in …
Date:
May 2004
Creator:
Hobbs, Mary Etta
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Duval County Picture (San Diego, Tex.), Vol. 2, No. 33, Ed. 1 Wednesday, August 19, 1987
Weekly newspaper from San Diego, Texas that includes local, state, and national news along with advertising.
Date:
August 19, 1987
Creator:
Cardenas, Alfredo E.
Object Type:
Newspaper
System:
The Portal to Texas History
Duval County Picture (San Diego, Tex.), Vol. 3, No. 27, Ed. 1 Wednesday, July 6, 1988
Weekly newspaper from San Diego, Texas that includes local, state, and national news along with advertising.
Date:
July 6, 1988
Creator:
Cardenas, Alfredo E.
Object Type:
Newspaper
System:
The Portal to Texas History
El ataque a Ciudad Juarez y los acontecimientos del 14 al 18 de Junio
This piece provides a firsthand account of the attack on Ciudad Juarez by Villistas and related events, including the American incursion. It also provides information regarding the effects of the battle on El Paso, Texas and includes named civilian casualties. The official American response is also noted.
Date:
1919
Creator:
Enciso Durán, Xavier
Object Type:
Book
System:
The Portal to Texas History