Browsing by Author "Delgado Martín, Jordi"
Now showing items 1-20 of 33
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6th International Workshop on Rock Physics: A Coruña, Spain 13 -17 June 2022: Book of Abstracts
Delgado Martín, Jordi; Muñoz-Ibáñez, Andrea; Falcón-Suárez, Ismael Himar (Universidade da Coruña, Servizo de Publicacións, 2022)[Abstract] The 6th International Workshop on Rock Physics (6IWRP) was held A Coruña, Spain, between 13th and 17th of June, 2022. This meeting follows the track of the five successful encounters held in Golden (USA, 2011), ... -
A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins
Mantzouki, Evanthia; Leira, Manel; Hernández, Armand; Delgado Martín, Jordi (Springer Nature, 2018)[Abstract:] Under ongoing climate change and increasing anthropogenic activity, which continuously challenge ecosystem resilience, an in-depth understanding of ecological processes is urgently needed. Lakes, as providers ... -
A simple pseudo-Compact tension (pCT) test apparatus to determine the mode I fracture toughness
Li, Yan; Herbón-Penabad, Miguel; Muñoz-Ibáñez, Andrea; Li, Tonglu; Delgado Martín, Jordi (Elsevier, 2024)[Abstract:] We introduce a simplified pseudo-compact tension (pCT) test apparatus, specifically designed to accurately determine the mode I fracture toughness (KIC) under direct tension conditions for rocks and other ... -
An UAV and Satellite Multispectral Data Approach to Monitor Water Quality in Small Reservoirs
Cillero Castro, Carmen; Domínguez Gómez, José Antonio; Delgado Martín, Jordi; Hinojo Sánchez, Boris Alejandro; Cereijo Arango, José Luis; Cheda Tuya, Federico Andrés; Díaz-Varela, Ramón (MDPI, 2020)[Abstract] A multi-sensor and multi-scale monitoring tool for the spatially explicit and periodic monitoring of eutrophication in a small drinking water reservoir is presented. The tool was built with freely available ... -
Analysis of the reduction processes at the bottom of Lake Meirama: a singular case of lake formation
Juncosa, Ricardo; Delgado Martín, Jordi; Cereijo Arango, José Luis; Muñoz-Ibáñez, Andrea (Springer, 2023)[Abstract:] The formation of natural lakes is a process that takes place over thousands of years, although the volumetric formation depends on hydrological and climatological phenomena, reaching a stationary hydraulic ... -
Anisotropic deformability and strength of slate from NW-Spain
Alejano, Leandro R.; González Fernández, Manuel Alejandro; Estévez-Ventosa, Xian; Song, Fei; Delgado Martín, Jordi; Muñoz-Ibáñez, Andrea; González-Molano, Nubia; Alvarellos-Iglesias, José (Elsevier, 2021)[Abstract:] Slates are metamorphic rocks characterized by the pervasive occurrence of cleavage or foliation producing a highly anisotropic mechanical behavior characterized by fissility. Deformability and strength of these ... -
Anoxia begets anoxia: A positive feedback to the deoxygenation of temperate lakes
Lewis, Abigail S. L.; Delgado Martín, Jordi (Wiley, 2023)[Abstract:] Declining oxygen concentrations in the deep waters of lakes worldwide pose a pressing environmental and societal challenge. Existing theory suggests that low deep-water dissolved oxygen (DO) concentrations could ... -
Las areniscas de la Mina Eureka (Cu-U-V) (Pirineo Central): texturas observadas versus reacciones planteadas
Costa, F.; Canals, A.; Delgado Martín, Jordi (Universidade da Coruña, 2000) -
Characterization and geochemical–geotechnical properties of granite sawdust produced by the dimension stone industry of O Porriño (Pontevedra, Spain)
Barrientos, Víctor; Delgado Martín, Jordi; Navarro Gamir, Vicente; Juncosa, Ricardo; Falcón-Suárez, Ismael Himar; Vázquez-González, Ana (GeoScienceWorld, 2010)[Abstract:] The dimension stone industry is one of the leading economic activities of Galicia and it is also an important industry in many other parts in the world. During the sawing and preparation of dimension stone, a ... -
Comparative hydrochemistry of five nested catchments located in the upper part of the Barcés river watershed (A Coruña, NW Spain)
Delgado Martín, Jordi; Juncosa, Ricardo; Hernández, H.; Falcón-Suárez, Ismael Himar; Vázquez-González, Ana (Elsevier, 2011)[Abstract:] 259 stream water and 21 bulk precipitation samples have been studied between April 2008 and December 2010 in order to assess baseline hydrochemical conditions in a rural area of NW Spain. Stream waters are ... -
Conservation Agriculture Increases Profits in an Andean Region of South America
Delgado Martín, Jordi; Barrera Mosquera, Víctor; Escudero López, Luis Orlando; Cartagena Ayala, Y.E.; Alwang, Jeffrey R.; Stehouwer, R.C.; Arévalo Tenelema, J.C.; D’Adamo, Robert; Domínguez-Andrade, Juan Manuel; Valverde, F.; Alvarado Ochoa, Soraya (Wiley, 2019)[Abstract:] The Andean region of Ecuador is critical for the country's food security; however, cultivation of high-slope mountainous agricultural systems that experience significant precipitation is accelerating erosion ... -
Conservation Agriculture Increases Yields and Economic Returns of Potato, Forage, and Grain Systems of the Andes
Barrera Mosquera, Víctor; Delgado Martín, Jordi; Alwang, Jeffrey R.; Escudero López, Luis Orlando; Cartagena Ayala, Y.E.; Domínguez-Andrade, Juan Manuel; D’Adamo, Robert (Wiley, 2019)[Abstract:] Physical and environmental vulnerability analysis conducted for the Illangama watershed located in Ecuador's Andean highlands, shows deteriorated soil quality and declining crop productivity. These problems are ... -
Energy Absorption of Aluminium Extrusions Filled with Cellular Materials Under Axial Crushing: Study of the Interaction Effect
Paz Méndez, Javier; Costas, Miguel; Delgado Martín, Jordi; Romera, Luis; Díaz, J. (MDPI, 2020)[Abstract] This investigation focuses on the interaction effect during the quasi-static axial crushing of circular and square thin-walled aluminium extrusions filled with polymeric foam or cork. The increment in the absorbed ... -
Estimating Economically Optimal Levels of Nitrogen Fertilizer in No-Tillage Continuous Corn
Villacis, Alexis H.; Ramsey, A. Ford; Delgado Martín, Jordi; Alwang, Jeffrey R. (Cambridge, 2020)[Abstract:] Stochastic plateau production functions provide improved fertilizer recommendations based on multi-year agronomic experiments where weather and other stochastic variables change over time. This research assesses ... -
Experimental analysis of the pseudo-compact tension (pCT) testing configuration using two alternative sample geometries
Herbón-Penabad, Miguel; Muñoz-Ibáñez, Andrea; Delgado Martín, Jordi (IOP Publishing, 2021)[Abstract:] The pseudo-compact tension (pCT) method recently proposed by Muñoz-Ibáñez et al. (2020) is a satisfactory approach to measure mode I fracture toughness (KIC) in rocks and other materials using disc-shaped samples ... -
Experimental Device for the Determination of Fracture Toughness at High Pressure
Muñoz-Ibáñez, Andrea; Herbón-Penabad, Miguel; Delgado Martín, Jordi (IOP Publishing, 2023)[Abstract:] Mode I fracture toughness (KIC) is a relevant property in many applications involving rock mechanics. However, the conventional methods for its determination only consider ambient pressure conditions. Although ... -
Final Disposal of the Wastes Associated with the Oil Spill of the Tanker Prestige through its Stabilization with Quicklime and Granite Fines
Carro-López, Diego; Delgado Martín, Jordi; Vázquez-González, Ana; Barrientos, Víctor; Juncosa, Ricardo (Taylor & Francis, 2008)[Abstract:] The sinking of the tanker Prestige produced a large oil spill that affected the shores of Spain, Portugal and France. Cleaning operations were performed on the sea and the coasts and the waste recovered was a ... -
Geochemical assessment of the contaminant potential of granite fines produced during sawing and related processes associated to the dimension stone industry
Delgado Martín, Jordi; Vázquez-González, Ana; Juncosa, Ricardo; Barrientos, Víctor (Elsevier, 2006)[Abstract:] Granite fines are inorganic wastes produced in the elaboration of dimension stone. Because of the increasing development of that industry in NW Spain, some concerns related to their classification as type of ... -
Hydrochemical characteristics of the natural waters associated with the flooding of the Meirama open pit (A Coruña, NW Spain)
Delgado Martín, Jordi; Juncosa, Ricardo; Vázquez-González, Ana; Falcón-Suárez, Ismael Himar; Canal, Jacobo; Hernández, H.; Padilla, Francisco; Vellando, Pablo; Delgado, J.L. (Cambridge University Press, 2008)[Abstract:] In December, 2007, after 30 years of operations, the mine of Meirama ceased extraction of brown lignite. Since then operations have begun which will lead to the formation of a big mining lake (~2 km2 surface ... -
Hydrochemical Evolution of the filling of the Mining Lake of As Pontes (Spain)
Juncosa, Ricardo; Delgado Martín, Jordi; Cereijo Arango, José Luis; Muñoz-Ibáñez, Andrea (Springer Nature, 2019)[Abstract:] The old As Pontes lignite mine is located in northwest Spain, in the Galicia region. Filling of the 547 hm3 pit began at the end of January 2008 through the controlled input of surface water. The filling was ...
