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| Content Provider | Springer Nature Link |
|---|---|
| Author | Eastoe, Christopher J. Hibbs, Barry J. Olivas, Alfredo Granados Hogan, James F. Hawley, John Hutchison, William R. |
| Copyright Year | 2007 |
| Abstract | Stable isotope data for the Hueco Bolson aquifer (Texas, USA and Chihuahua, Mexico) distinguish four water types. Two types relate to recharge from the Rio Grande: pre-dam (pre-1916) river water with oxygen-18 and deuterium (δ$^{18}$O, δD, ‰) from (−11.9, −90) to (−10.1, −82), contrasts with present-day river water (−8.5, −74) to (−5.3, −56). Pre-dam water is found beneath the Rio Grande floodplain and Ciudad Juárez, and is mixed with post-dam river water beneath the floodplain. Two other types relate to recharge of local precipitation; evidence of temporal change of precipitation isotopes is present in both types. Recharge from the Franklin and Organ Mountains plots between (−10.9, −76) and (−8.5, −60) on the global meteoric water line (GMWL), and is found along the western side of the Hueco Bolson, north of the Rio Grande. Recharge from the Diablo Plateau plots on an evaporation trend originating on the GMWL near (−8.5, −58). This water is found in the southeastern Hueco Bolson, north of the river; evaporation may be related to slow recharge through fine-grained sediment. Pre-dam water, recognizable by isotope composition, provides information on groundwater residence times in this and other dammed river basins.Des données sur les isotopes stables permettent de distinguer quatre types d’eaux dans l’aquifère de Hueco Bolson (Texas aux USA et Chihuahua au Mexique). Deux types sont liés à la recharge par le Rio Grande ; l’eau de rivière avant la construction du barrage (avant 1916) présente des valeurs d’oxygène 18 et de deutérium (δ$^{18}$O, δD, ‰) allant de (–11.9, –90) à (–10.1, –82) et contraste avec l’eau de rivière actuelle qui a des valeurs de (–8.5, –74) à (–5.3, –56). L’eau d’avant barrage est localisée en dessous de la plaine d’inondation du Rio Grande et Ciudad Juárez, et est mélangée avec de l’eau de rivière d’après barrage en dessous de la plaine d’inondation. Deux autres types d’eau sont associés à la recharge par les précipitations locales ; une variation temporelle des isotopes dans les précipitations est évidente pour les deux types d’eau. La recharge au niveau des monts Franklin et Organ se retrouve entre (–10.9, –76) et (–8.5, –60) sur la droite météorique mondiale (GMWL en anglais), et cette signature est présente le long de la partie ouest du Hueco Bolson, au nord du Rio Grande. La recharge au niveau du plateau Diablo se retrouve sur une droite d’évaporation dont l’origine sur la droite météorique mondiale se situe vers (–8.5, −58). Cette eau est présente dans la partie sud-est du Hueco Bolson, au nord de la rivière; l’évaporation peut être liée à une recharge lente à travers des sédiments fins. L’eau d’avant barrage, identifiable par sa composition isotopique, apporte des informations sur les temps de résidence des eaux souterraines dans ce bassin et dans d’autres bassins de type rivière avec barrage.Los datos de isótopos estables para el acuífero del Bolsón Hueco (Texas, Estados Unidos de América y Chihuahua, México) permiten distinguir cuatro tipos de aguas. Dos tipos de aguas están relacionados con la recarga del Río Grande; el agua de río pre-presa (pre-1916) con oxígeno-18 y deuterio (δ$^{18}$O, δD, ‰) que varía de (−11.9, 90) a (−10.1,−82), contrasta con el agua actual del río (–8.5, –74) a (–5.3, –56). El agua pre-presa se encuentra debajo de la planicie de inundación del Río Grande y Ciudad Juárez y está mezclada con agua de río post-presa debajo de la planicie de inundación. Los otros dos tipos de agua se relacionan con recarga y precipitación local; existe evidencia de cambio temporal en isótopos de precipitación de ambos tipos de agua. La recarga de las Montañas Órgano y Franklin tiene valores entre (–10.9, –76) y (–8.5, –60) sobre la Línea de Agua Meteórica Global (LAMG) y se encuentra a lo largo del lado occidental del Bolsón Hueco, al norte del Río Grande. La recarga de la Meseta Diablo muestra tendencias de evaporación que se originan sobre la LAMG (–8.5, −58). Este tipo de agua se encuentra al suroriente del Bolsón Hueco, al norte del río; la evaporación puede estar relacionada con recarga baja a través de sedimentos de grano fino. El agua pre-presa, que se reconoce por su composición isotópica, aporta información sobre los tiempos de residencia del agua subterránea en esta cuenca y en otras cuencas con ríos represados. |
| Starting Page | 737 |
| Ending Page | 747 |
| Page Count | 11 |
| File Format | |
| ISSN | 14312174 |
| Journal | Hydrogeology Journal |
| Volume Number | 16 |
| Issue Number | 4 |
| e-ISSN | 14350157 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2007-12-21 |
| Publisher Institution | International Association of Hydrogeologists |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | USA Mexico Arid regions Stable isotopes Radioactive isotopes Recharge sources Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Geology Hydrogeology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Earth and Planetary Sciences Water Science and Technology |
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