Spatial and Temporal Evolution of the  Static Water Level of the Cuauhtemoc  Aquifer during the Years 1973, 1991  and 2000: A Geographical  Approach

Cejudo, Luis Carlos Alatorre; Díaz, Rolando E.; Miramontes, Sonia; Bravo-Peña, Luis Carlos; Flores, Érick Sánchez

doi:10.4236/jgis.2014.65047

Cited by 4 publications

(1 citation statement)

References 22 publications

(14 reference statements)

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“…For instance, water resources have been found to face unprecedented changes in the redistribution of precipitation intensity and seasonality (Giorgi et al ., 2018; Saeed et al ., 2018). Water usage has increased sixfold since the end of the 20th century owing to the increase in the world population (Alatorre et al ., 2014; Alhassan et al ., 2015), thus adding a heavy burden to water resources management. This calls for an accurate spatio‐temporal precipitation analysis using reliable datasets to quantify and detect ongoing changes in water resources.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of gridded precipitation datasets over Madagascar

Randriatsara

et al. 2022

Intl Journal of Climatology

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Madagascar is among the countries whose agriculture is heavily dependent on rainfall. However, the country lacks accurate and reliable early warning systems for droughts and floods, partly due to insufficient station rainfall data. The purpose of this study is to identify rainfall datasets that can complement observation data by appraising 15 datasets (gauge-based, reanalysis, and satellite estimates). The study compares the temporal and spatial performance of datasets at annual and seasonal scales during 1983-2015. In all the analyses, CHIRPS presents lower biases, so it is chosen as the reference data in the Taylor diagram for the final evaluation analysis. Even though ranking datasets is neither possible nor appropriate since each dataset performs differently throughout each analysis, some datasets show reasonable consistency. This is the case with MSWEP, ERA5, and UDEL. On the other hand, MERRA2, CMAP, and TAMSAT are least preferred for use due to their considerable biases (specifically TAMSAT during the dry season). CRU, PRECL, ERAINT, CFSR, and JRA55 also present some degrees of deficiencies at either annual or seasonal scales. These findings are crucial for any future rainfall analysis over the country in order to minimize inaccuracy in monitoring rainfall.

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Section: Introductionmentioning

confidence: 99%

Evaluation of gridded precipitation datasets over Madagascar

Randriatsara

et al. 2022

Intl Journal of Climatology

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Crecimiento urbano de Ciudad Juárez Chihuahua (1920-2015): Hipótesis sobre el impacto en las coberturas y uso de suelo y el abatimiento del acuífero urbano

et al. 2019

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El acelerado crecimiento urbano a escala global y sus efectos negativos sobre el sistema hídrico subterráneo natural se atribuyen principalmente a la concentración de población que registran las áreas urbanas. En el presente trabajo se analizó el crecimiento urbano de Ciudad Juárez (1920-1940; 1940-1950; 1950-1960; 1960-1970; 1970-1980; 1980-1990; 1990-2000; 2000-2010 y 2010-2015), los cambios de cobertura y uso de suelo urbano y el abatimiento del acuífero urbano. Los resultados derivan de la correlación estadística y espacial entre covariables generadas: Tasas de Cambio de Crecimiento Urbano Histórico (TCCUH: %), Tasas de Cambio de Usos de Suelo Urbano (TCUSU: %), Crecimiento Poblacional (Población: %) y Tasa de Cambio en Abatimiento (TCA: m año-1). El crecimiento fue de 35 222 ha. El uso habitacional está estrechamente ligado al uso industrial y de servicios. El nivel estático del acuífero arrojó TCA media de - 0.53 m año-1. Las covariables que mejor explicaron la TCA son TCCUH y la TCUSU. Del análisis del comportamiento del crecimiento urbano en función de los usos de suelo, se concluye que, de los usos, los habitacionales son los que mayor recurso de agua demandan.

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Spatiotemporal Analysis of Urban Heat Islands in Relation to Urban Development, in the Vicinity of the Atacama Desert

Espinoza-Molina

Acosta-Caipa

Chambe-Vega

et al. 2022

Climate

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Near the Atacama Desert, Tacna city in Peru is among the largest arid cities with constant urban development, thus understanding of the urban surface thermal pattern is needed. We propose a comprehensive study of the urban heat island phenomenon, with the objective of (1) determining the spatial and temporal variations of the urban heat islands (UHIs), in the period 1985 to 2020; (2) analyzing the relationship between the UHI and influencing factors such as vegetation, urban area, and population, using indices calculated with satellite images. The Google Earth Engine repository was used to evaluate the corrected images from the years 1985 to 2020. The coincidence between the normalized difference vegetation index (NDVI) and normalized difference built-up index (NDBI) was good, negative between NDVI and the land surface temperature (LST), attributable to dense vegetation, and negative and very high (−0.81) between NDBI and NDVI, as massive urbanization leads to the reduction in the vegetal surface. The NDBI has a high impact on the LST; a coefficient of connections is recorded as 0.46. Tacna is a very arid region, and an increase in the time of the LST occurred with the increase in industrialization and urbanization. The land use/cover change (LUCC) evidences change in the climate in the city of Tacna; temperatures of 24.2 °C to 44.2 °C are observed in the built-up areas. In vegetated areas, the temperature remains below 24 °C, which is associated with a high rate of potential evapotranspiration. Thus, this study shows that variations in urban form and growth have produced the development of intraurban surface thermal patterns.

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Spatial and Temporal Evolution of the Static Water Level of the Cuauhtemoc Aquifer during the Years 1973, 1991 and 2000: A Geographical Approach

Cited by 4 publications

References 22 publications

Evaluation of gridded precipitation datasets over Madagascar

Evaluation of gridded precipitation datasets over Madagascar

Crecimiento urbano de Ciudad Juárez Chihuahua (1920-2015): Hipótesis sobre el impacto en las coberturas y uso de suelo y el abatimiento del acuífero urbano

Spatiotemporal Analysis of Urban Heat Islands in Relation to Urban Development, in the Vicinity of the Atacama Desert

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