Francisco Bautista

Francisco Bautista
Universidad Nacional Autónoma de México | UNAM · Centre of Research in Environmental Geography

PhD in Biology (Environmental Sciences)
Ethnopedology; Karst Landscapes; Land Evaluation; Soil Pollution; Innovation

About

307
Publications
298,791
Reads
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2,440
Citations
Citations since 2016
142 Research Items
1662 Citations
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20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
Introduction
Francisco Bautista currently works at the Research Center in Environmental Geography, Universidad Nacional Autónoma de México. Francisco does research in Soil Science, Environmental Science and Agronomy. Their current project is 'Magmetic Soil properties and their applications in Soil pollution, and their effects and Soil classification.
Additional affiliations
March 2016 - present
Universidad Nacional Autónoma de México
Position
  • Senior Researcher
March 2007 - November 2015
Universidad Nacional Autónoma de México
Position
  • Researcher, titular A
March 2007 - November 2016
Universidad Nacional Autónoma de México
Position
  • Researcher

Publications

Publications (307)
Article
Full-text available
Introduction: There are few cases in which the environmental functions of soils have been quantitatively evaluated using data from soil profile descriptions. Objective: The environmental functions of seven peasants land classes (Barrosa, Polvilla, Charanda, Tocura, Cementante, Polvilla/Barrosa and Polvilla/Charanda) in the Zicuirán-Infiernillo bio...
Article
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The analysis of climate data is tedious and time-consuming, delaying the analysis of millions of meteorological data worldwide. Local level decision making about climate change requires converting data into information. The aim was to develop software to analyze thousands of meteorological data in seconds. We first designed the database, selected t...
Article
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The soil profile and its spatial distribution are two essential aspects for promoting sustainable agriculture, with precise inputs in quantity, space, and time. This work's objective was to elaborate a digital map of soil fertility considering the complete profile for the accurate management of amendments and fertilizers. For the preparation of the...
Article
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Cities occupy a relatively small percentage of the earth's surface. However, they influence the entire biosphere, affect biodiversity and environmental conditions, which end up affecting human health and well-being. Therefore, it is necessary to evaluate the level of contamination by heavy metals in urban environments, as well as the possible ecolo...
Article
Full-text available
In this study, we developed a method that allows the delimitation of horizons and the quantification of coarse fragments in soil profiles from volcanic areas using digital images. The delineation of the soil profile horizons included the following phases: pre-processing of the digital image, extraction of color systems from the pre-processed image,...
Article
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The Mesoamerican Postclassic and Epiclassic were periods of drastic change and transformation related to social, political and economic aspects as well as settlement patterns. Mexico’s northern boundary expansion, rise, and subsequent demise is a matter of debate which remains essentially unsolved. Possible causes include climatic changes, landscap...
Article
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Road-deposited dust (RD) is a pervasive form of particulate pollution identified (typically via epidemiological or mathematical modelling) as hazardous to human health. Finer RD particle sizes, the most abundant (by number, not mass), may pose greater risk as they can access all major organs. Here, the first in vitro exposure of human lung epitheli...
Article
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El polvo urbano es un reservorio de elementos potencialmente tóxicos y de partículas de diversos tamaños que representan un riesgo para la salud humana, por lo cual es importante determinar sus características. Los objetivos de este estudio fueron identificar los sitios de mayor contaminación por elementos potencialmente tóxicos, el material magnét...
Article
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El estado de Yucatán es el tercer productor nacional de carne de cerdo debido al gran número de granjas porcinas, las hay de todos los tamaños desde las muy pequeñas hasta las mega-granjas con más de 30 000 cerdos, muchas de las cuales generan problemas ambientales y sociales. Objetivos: El análisis de la operación de las granjas porcícolas en Yuca...
Article
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El conjunto de tumbas subterráneas de Tierradentro (Colombia), talladas en roca blanda de origen volcánico, contiene múltiples manifestaciones artísticas elaboradas con pintura roja. A pesar de su enorme importancia arqueológica y patrimonial, aún existe una fuerte controversia sobre la edad de estos hipogeos. La magnetización remanente pictórica,...
Article
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In this work, sampling was carried out in the urban area of Madrid to analyze the content of total heavy metals (Zn, Pb, Cu, Cr, Ni, and Cd) in the street dust. Contamination was evaluated using various indices, such as the Contamination Factor (CF), Enrichment Factor (EF), Geo-accumulation Index (Igeo), Potential Ecological Risk Index (RI), Pollut...
Article
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The unsustainable use of natural resources has contributed to the deterioration of ecosystems, loss of biodiversity, and degradation of soils in Mexico. In the state of Tabasco, environmental deterioration is evident in the chemical and physi-cal degradation of soils. In this context, geomor-phological mapping can contribute to mitigate this proble...
Article
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The increase in soil organic matter (SOM) content contributes to the mitigation of the effects of global climate change; thus, it is important to know its levels. However, the SOM analysis can eventually be expensive and time-consuming, as well as generating toxic waste. The measurement of soil color may be an indirect method more practical to esti...
Article
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En el presente trabajo se exhiben los resultados de un análisis combinado: magnético y geoquímico, para identificar la relación entre los parámetros magnéticos, la concentración de elementos mayores y los metales pesados en el polvo urbano de Ciudad de México. Se proponen modelos matemáticos que pueden, bajo ciertas circunstancias, estimar la conce...
Presentation
Full-text available
Vídeo en el que se explica como se pueden graficar las desviaciones al valor medio de la temperatura, usando el software Clic-MD. www.actswithsciencie.com
Patent
Full-text available
Descarga libre, https://www.actswithscience.com/software-libre/ En muchos países en vías de desarrollo no se cuenta con expertos en contaminación por metales pesados, por lo que se requiere generar herramientas tecnológicas que ayuden a analizar una gran cantidad de información de manera efectiva y rápida. En este sentido, los resultados, datos de...
Patent
Full-text available
Descarga libre, https://www.actswithscience.com/software-libre/ El objetivo del software VULASHUCC es el manejo ágil, rápido y preciso de miles de datos en segundos para el cálculo del índice de vulnerabilidad de los asentamientos humanos ante el cambio climático para localidades en desarrollo. Para esto el software VULASHUCC utiliza dos bases de...
Article
Full-text available
This database consists of a digital photograph set of soil profiles from the physiographic provinces of the Trans-Mexican Neovolcanic Axis and Sierra Madre del Sur of central Mexico. Although the official and government databases of soil profiles from Mexico do not contain the percentage of coarse fragments (stoniness), they contain soil profile ph...
Article
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The Altos de Jalisco region is still poorly understood in terms of its cultural dynamics. Extensive relationships have been identified with other nearby cultural areas, especially with the Bajío and the Lerma-Santiago River Basin. Much of the settlements so far discovered in this region belong to the Epiclassic period (600-900 AD) whose settlement...
Article
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Si bien se ha mejorado la precisión de los escenarios del cambio climático global, la falta de datos climáticos de varias regiones del mundo significa que algunas predicciones presentan gran incertidumbre. Los estudios climáticos locales son críticos para la calibración de escenarios climáticos globales. El objetivo fue evaluar tendencias climática...
Article
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Since water is an increasingly limited resource, having methods for evaluating its quality is necessary to ensure an adequate and sustainable use for human consumption, agriculture and industry. The aim of this work was to describe agriwater software for evaluating the quality of irrigation water. The software consisted of the following stages: a)...
Chapter
Full-text available
Los conceptos de las 21 clases de suelos utilizadas por los mayas se muestran y se explican a manera de clave dicotómica siguiendo el esquema de la World Reference Base for Soil Resources (WRB, por sus siglas en inglés): suelos modificados por el hombre, suelos rocosos y pedregosos, suelos con y sin colores contrastantes, suelos influenciados por e...
Chapter
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En este trabajo se describen los paisajes geomorfológicos y los suelos según la World Reference Base for Soil Resources (WRB, por sus siglas en inglés) al interior de los siguientes ambientes geomorfológicos de la Península de Yucatán: costero, fluvio-palustre, kárstico y kárstico-tectónico. Cada ambiente geomorfológico es descrito y se busca una c...
Chapter
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La información edafológica del estado de Yucatán es insuficientemente conocida y utilizada, incluso es popular la frase “En Yucatán no hay suelo”. Esta idea errónea se refleja incluso en los planes de estudios de las universidades locales en las que no se enseña de manera formal y obligatoria las ciencias del suelo en los planes de estudio de biólo...
Chapter
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En Yucatán las granjas porcinas generan grandes cantidades de aguas residuales porcinas (ARP). La mayoría de las granjas representan una amenaza de contaminación para las aguas subterráneas de las cuales se abastece la población. No obstante, debido a los altos contenidos de materia orgánica que poseen las ARP pueden ser utilizadas como abonos, por...
Chapter
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El anillo de cenotes es un territorio singular, frágil y de gran vulnerabilidad a la contaminación por actividades antrópicas. La porcicultura del tipo de las megagranjas, que requieren grandes cantidades de agua de buena calidad, ha identificado estos territorios como muy aptos para la instalación de granjas de miles de cerdos, ignorando su releva...
Chapter
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En este texto se resumen las actividades de la Asociación Mexicana de Estudios sobre el Karst (AMEK) entorno a la divulgación del conocimiento sobre los territorios kársticos. Se documenta la creación de seis rompecabezas con paisajes kársticos de la península de Yucatán, un ejemplo de que hay varios tipos de paisajes kársticos. La idea es que la p...
Chapter
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Dada la crisis ambiental global y su asociación con la degradación del suelo, el cambio climático y la escasez de agua, es necesario mejorar los procesos de toma de decisiones con respecto a la gestión de las tierras agrícolas. Esto, a su vez, crea la necesidad de sistemas que sean capaces de gestionar procesos y analizar grandes cantidades de info...
Article
Full-text available
The design of proxy techniques is an innovative tool to monitor the potentially toxic elements of pollution in road dust. This study evaluated the use of road dust color as a proxy methodology to identify samples contaminated with presumably contaminating elements. FRX determined the concentrations of Fe, Ti, Rb, Sr, Y, Cu, Zn, and Pb in eighty-fiv...
Article
Full-text available
In large industrialized cities, tons of particles containing heavy metals are released into the environment and accumulate on street surfaces. Such particles cause a potential risk to human health due to their composition and size. The heavy metal contamination levels, main emission sources, and human health risks were identified in 482 samples of...
Article
Full-text available
El objetivo fue la evaluación del color como técnica rápida para la identificación de muestras de suelos urbanos contaminados con metales pesados en la Ciudad de México. Las concentraciones de los metales pesados se midieron por fluorescencia de rayos X, y el color se determinó con las tablas Munsell y con un colorímetro. A partir de los valores Hu...
Article
Full-text available
El uso de redes neuronales artificiales (RNA) permite usar un número limitado de variables para predecir el comportamiento de algún fenómeno con muy buenos resultados. En este trabajo, se usó un modelo de RNA para identificar sitios con altas concentraciones de metales pesados a partir de parámetros magnéticos. El estudio se hizo en muestras de pol...
Article
Full-text available
The objective was the evaluation of color as a proxy for soil contamination by heavy metals in Mexico City. The concentrations of heavy metals were measured by X-ray fluorescence, and the color was determined with the Munsell Tables and colorimeter using Red Green Blue system. From the Hue, Value and Croma values, five soil groups were formed by co...
Article
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Significant progress in archeomagnetic studies over the past decade suggests that magnetic dating may be a valuable tool for reconstructing chronologies of firing structures. Despite important works with numerous findings of great regional impact, the absolute chronology of archaeological sites in the state of Guanajuato is supported by few reliabl...
Article
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Background: In recently formed karst environments, as in the north of the state of Yucatan, Mexico, many chemical and physical properties of soils have a high spatial heterogeneity. However, this heterogeneity of the soil is not well-understood, which affects the agricultural use of the land. Objective: The objective of this study was to identify t...
Article
Full-text available
The use of artificial neuronal network (ANN) involves a limited number of variable to predict the behavior of some phenomenal with very good results. This work is used a ANN model to identify site with high concentration of heavy metal from magnetic parameters. The study was done on urban dust samples coming from of vial net of Bogota City, Colombi...
Article
Full-text available
Background. Pig farms are an important economic activity in the state of Yucatán, but they cause great environmental damage, such as groundwater contamination, air pollution, and soil degradation, which together affect both health and economy of local populations. Objective: The aim of this work was to spatially identify the surface suitable for th...
Article
Full-text available
Background. Yearly hurricanes and tropical storms formed in the Atlantic are natural flooding hazards to The Yucatan Peninsula due to unplanned land use changes when new urban areas are to be developed on karstic soils such as in the case of the municipality of Merida. Objective: This work aimed to generate a flood risk map due to extreme meteorolo...
Article
Full-text available
Most of the soils of the Mixteca Alta show high levels of degradation. A strategy for its management and conservation is through integrating local knowledge and spatial analysis to delimit areas suitable for coffee production. The objective was to evaluate the aptitude of the lands to grow coffee in the Mixteca Alta, Oaxaca State, considering local...
Article
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El Ocote es un sitio arqueológico que se localiza en el estado de Aguascalientes dentro de la parte alta del Cerro los Tecuanes. Gracias a recientes trabajos de investigación por parte del Instituto Nacional de Antropología y Historia, se han encontrado diversos vestigios culturales, pertenecientes a grupos sedentarios del Epiclásico (650 a 900 d.C...
Article
We report new results from frontier research that relates the methodology and knowledge of geophysics (geomagnetism) with archeology and the data will represent a valuable contribution to both disciplines. A detailed magnetic survey was performed on limekilns from the northern Yucatan peninsula. We used Attenuated Total Reflection Fourier Transform...
Preprint
Full-text available
Two of the major challenges in achieving food security in the future are: (1) the increase in demand for food due to constant high population growth and (2) the increase in adverse climatic conditions, due to global climate change, that will affect crops. Currently, no universal indicators are available to identify the effect of extreme climate eve...
Article
Full-text available
Environmental pollution is a negative externality of urbanization and is of great concern due to the fact that it poses serious problems to human health. Pollutants, such as heavy metals, have been found in urban road dust; however, it is unclear whether the urban form has a role in its accumulation, mainly in cases where there is no dominant uniqu...
Article
Full-text available
Las investigaciones arqueológicas realizadas en el sector oeste de la comisaría de Tamanché, Yucatán, localizada al norte de Mérida, nos proporcionaron las muestras para realizar dataciones arqueomagnéticas de dos hornos de cal excavados en el sitio. Los hornos se hallaban en la periferia del sitio arqueológico, al suroeste del núcleo principal de...
Article
Full-text available
Background. The practice of burn in the sugarcane crop is considered necessary to facilitate the harvest, although the possible negative impacts on the soil fertility are questioned. Objective. The aim of the present research was to characterize the burn and its effects on phosphorous, pH and electrical conductivity in a Chromic Vertisol Gleyic cul...
Article
Full-text available
La Asociación Mexicana de Estudios sobre el Karst (AMEK) es una organización sin fines de lucro enfocada en las actividades relacionadas con el conocimiento e investigación sobre el karst en México, en los aspectos físico, químico, geográfico, biológico, edáfico, ecológico, ingeniera y de manejo del territorio kárstico y tiene por objeto realizar l...
Article
Full-text available
Background: Detailed geomorphological analysis of the karst depressions in Yucatán has received little attention because the measurement of morphometric parameters taken in the field involves a lot of work, time and costs. A pioneering exercise is presented that arose with two questions. What would be the characteristics of the relief that can be o...
Article
Full-text available
p> Background. Pig farms are an important economic activity in the state of Yucatán, but they cause great environmental damage, such as groundwater contamination, air pollution, and soil degradation, which together affect both health and economy of local populations. Objective: The aim of this work was to spatially identify the surface suitable for...
Article
Full-text available
p> Background. The practice of burn in the sugarcane crop is considered necessary to facilitate the harvest, although the possible negative impacts on the soil fertility are questioned. Objective. The aim of the present research was to characterize the burn and its effects on phosphorous, pH and electrical conductivity in a Chromic Vertisol Gleyic...
Article
Full-text available
p> Background: Detailed geomorphological analysis of the karst depressions in Yucatán has received little attention because the measurement of morphometric parameters taken in the field involves a lot of work, time and costs. A pioneering exercise is presented that arose with two questions. What would be the characteristics of the relief that can b...
Article
Full-text available
h1>Background. Yearly hurricanes and tropical storms formed in the Atlantic are natural flooding hazards to The Yucatan Peninsula due to unplanned land use changes when new urban areas are to be developed on karstic soils such as in the case of the municipality of Merida. Objective: This work aimed to generate a flood risk map due to extreme meteor...
Article
Full-text available
Heavy metals in street dust represent a risk to the human health due to their toxicity, persistence and bioaccumulation. Using the US Environmental Protection Agency (USEPA) assessment, here, we review the human health risks of such dust world-wide. The street dust in such cities is contaminated by As, Cd, Cr, Cu, Hg, Mn Ni, Pb and Zn beyond the me...
Article
Full-text available
We present a study of environmental magnetism in order to determine the relationship between magnetic parameters and heavy metals in urban soils of the Metropolitan Area of Valle de Aburrá (MAVA), Colombia, in order to establish magnetic indicators that allow estimating concentrations of magnetic minerals, mayor elements, and Pb, and to determine t...