Groundwater hydrodynamic behaviours based on water table levels to identify natural and anthropic controlling factors in the Piedmont Plain (Italy)

Lasagna, Manuela; Mancini, Susanna; Luca, Domenico Antonio De

doi:10.1016/j.scitotenv.2020.137051

Cited by 31 publications

(36 citation statements)

References 60 publications

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“…From a geological point of view, the subsurface of the test site is composed by Quaternary outwash and fluvial deposits of the Po River plain (Middle Pleistocene-Holocene), mainly sands and gravels with subordinated silty and clayey levels (Festa et al 2009;Irace et al 2009;Forno et al 2018;Lasagna et al 2020). Below, Tertiary marine deposits of the Turin Hill domain (Eocene-Miocene) are found, consisting of consolidated sediments, mainly sandstones, clay and marl.…”

Section: Hydrogeological Setting and Climatic Regime Of The Study Areamentioning

confidence: 99%

Time series analysis of underground temperature and evaluation of thermal properties in a test site of the Po plain (NW Italy)

et al. 2020

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A 3-year high-resolution monitoring of shallow subsurface temperature (unsaturated and saturated zones) was performed in the experimental site of Mezzi Po (Po River plain, NW Italy) to investigate the thermal behaviour of subsurface and the dependency with the atmospheric (air) temperature. The unsaturated zone of the test site is mainly constituted by sands and silts, and the unconfined aquifer below is hosted in coarse sediments (mainly sands and gravels) with shallow depth to water table (5 m b.g.l). The monitoring results allowed for identifying two main phenomena correlated with the propagation of the atmospheric heat through the subsurface. First, the amplitude of temperature fluctuation during the year, calculated as the difference between maximum and minimum temperature value, reduces with increasing depth, with a maximum range (31.1 °C) in air and a minimum (2.0 °C) in the saturated zone, at 7.00 m below ground level (b.g.l.). Furthermore, a lag of mean temperatures in the subsurface respect to air occurs. The delay is as much longer as the depth increases. Mainly, the time shift ranges between 1 week in the shallow soil (at 0.60 m b.g.l.) and 17 weeks in the saturated zone (7 m b.g.l.). These results are consistent with a 1-D heat diffusion model, through which the thermal subsoil properties were derived for 0.60-7 m depth interval. More specifically, thermal diffusivity is 8.12 × 10 -7 m 2 /s, and thermal conductivity is 1.40 W/mK.

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Section: Hydrogeological Setting and Climatic Regime Of The Study Areamentioning

confidence: 99%

Time series analysis of underground temperature and evaluation of thermal properties in a test site of the Po plain (NW Italy)

et al. 2020

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“…The assessment of changing point was carried out by checking the changes in the average and variance of each variable of water balance, returning the point in time, year or month, in which one or more turning points were highlighted. Furthermore, recent studies in Piedmont Region where Lake Candia is located, highlight a break point in the water table level in 2008, due to a different agricultural technique of rice cultivation; the dry direct-seeded rice technique replaced the traditional techniques in some areas of the Piedmont Plain, affecting water use in the study area [49]. It is therefore interesting and useful to verify any climate break point, to compare with the changes in groundwater level and analyze the trend and behavior of meteorological data before and after 2008.…”

Section: Break Pointmentioning

confidence: 97%

Water Resource Management through Understanding of the Water Balance Components: A Case Study of a Sub-Alpine Shallow Lake

Ciampittiello

Dresti

Saidi

2021

Water

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Water availability is a crucial factor for the hydrological balance of sub-alpine shallow lakes and for their ecosystems. This is the first study on water balance and water management of Lake Candia, a small sub-alpine, shallow morainic lake. The aims of this paper are to better understand the link between surface water and groundwater. The analyses carried out included: (i) evaluation of water balance, (ii) identification of trends for each component of water balance, (iii) detection of the presence of a break point or change in the behavior of each component, and (iv) regression analyses of the terms of hydrological balance and their relative importance. The analyses revealed a high variability mainly regarding the groundwater component, and very good correlation between rainfall and volume variation, between rainfall and the water inflow, and between groundwater source and outflow. Volume variation is linked with rainfall, outflow, groundwater source, and surface water inflow. Despite the fact that the groundwater component does not seem to have a great importance relative to direct rainfall on the lake, it is necessary to study the component with careful resource management policies that point toward the protection of the water resource, sustainable uses, and protection of the Lake Candia ecosystem.

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“…De la información presente en el IPAS se recolectan datos de campo que permiten establecer el comportamiento hidrodinámico del agua subterránea (redes de flujo) ayudando a proponer zonas potenciales de recarga, descarga y tránsito, así mismo contribuye en el análisis de cómo el sistema hidrogeológico responde a las presiones externas, tales como tasas de extracción y variaciones de los regímenes climáticos en el área de trabajo (Lasagna et al, 2020), todo basado en el análisis los de los niveles piezométricos medidos.…”

Section: El Ipas Como Instrumento Para El Análisis De Las Características Hidrogeológicasunclassified

Adaptive management in groundwater planning and development: A review of theory and applications

Thomann

Werner

Irvine

et al. 2020

Journal of Hydrology

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Un inventario de puntos de agua subterránea (IPAS) corresponde a un listado de los puntos donde se encuentra el recurso hídrico subterráneo. Este es una fuente de información de alta importancia para el entendimiento del sistema hidrogeológico en un sector y por tanto tiene fuertes implicaciones en la adecuada gestión del recurso. En Colombia existen muchas captaciones de agua subterránea que aún no se han identificado, lo que demuestra que esta herramienta aún no se ha potencializado. En este artículo de análisis se presenta la importancia del inventario de puntos de agua subterránea desde tres perspectivas: técnica, normativa y social, que permiten ver cuál es el aporte de esta información en la caracterización de los acuíferos, cómo es que la normativa, aunque cumpliéndose sigue siendo insuficiente para promover suficientes programas de inventarios de puntos hidrogeológicos, que permitan aumentar en el conocimiento del recurso y a su vez en la promoción de políticas de manejo y finalmente cuál es el rol de la sociedad como los principales consumidores del recurso y cómo a través del IPAS pueden convertirse en promotores de la gestión del recurso hídrico subterráneo.Palabras clave: Inventario de puntos de agua subterránea, hidrogeología, gestión del agua subterránea, modelo hidrogeológico conceptual, normatividad del agua, sociedad.

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Groundwater hydrodynamic behaviours based on water table levels to identify natural and anthropic controlling factors in the Piedmont Plain (Italy)

Cited by 31 publications

References 60 publications

Time series analysis of underground temperature and evaluation of thermal properties in a test site of the Po plain (NW Italy)

Time series analysis of underground temperature and evaluation of thermal properties in a test site of the Po plain (NW Italy)

Water Resource Management through Understanding of the Water Balance Components: A Case Study of a Sub-Alpine Shallow Lake

Adaptive management in groundwater planning and development: A review of theory and applications

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