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Mostrando ítems 21-40 de 43
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Evaluación de una técnica de corrección para la estimación de la precipitación satelital en Córdoba (Argentina)
Gusmerotti, Lucas Alberto; Di Bella, Carlos Marcelo; Posse Beaulieu, Gabriela; Oricchio, Patricio (Sociedad Argentina de Informática, 2022-10-17)La precipitación constituye uno de los factores más limitantes de la producción agropecuaria, sobre todo en sistemas de secano. Sin embargo, su elevada variabilidad espacio-temporal dificulta su estimación en áreas extensas. ... -
Forest browning trends in response to drought in a highly threatened mediterranean landscape of South America
Miranda, Alejandro; Lara, Antonio; Altamirano, Adison; Di Bella, Carlos Marcelo; González, Mauro E.; Camarero, Jesus Julio (Elsevier, 2020-08)Deforestation is widely studied throughout the world. However, a less evident issue is the effect of climate change and drought on remnants of native forests. The objective of this work was to understand the geographic ... -
Globe - LFMC a global plant water status database for vegetation ecophysiology and wildfire applications
Yebra, Marta; Scortechini, Gianluca; Badi, Abdulbaset; Beget, Maria Eugenia; Boer, Mathias; Bradstock, Ross; Chuvieco, Emilio; Mark Danson, F.; Dennison, Philip; Resco de Dios, Víctor; Di Bella, Carlos Marcelo; Forsyth, Greg; Frost, Philip; García, Mariano; Hamdi, Abdelaziz; He, Bimbin; Jolly, Matt; Kraaij, Tineke; Martin, M. Pilar; Mouillot, Florent; Newnham, Glenn; Nolan, Rachae; Pellizzaro, Grazia; Qi, Yi; Quan, Xingwen; Riaño, David; Roberts, Dar; Sow, Momadou; Ustin, Susan (2019-08-21)Globe-LFMC is an extensive global database of live fuel moisture content (LFMC) measured from 1,383 sampling sites in 11 countries: Argentina, Australia, China, France, Italy, Senegal, Spain, South Africa, Tunisia, United ... -
Huella hídrica del cultivo de vis para vinificar en la cuenca media del Río Colorado
Aumassanne, Carolina Manuela; Fontanella, Dardo Roy; Beget, Maria Eugenia; Di Bella, Carlos Marcelo; Masseroni, Maria Lujan; Varela, Ayelén Celeste (Instituto Nacional del Agua, 2023-08-28)El objetivo de esta investigación fue calcular la huella hídrica referencial verde y azul del cultivo de vid con destino a la vinificación en las localidades de 25 de Mayo, Casa de Piedra y Gobernador Duval (provincia de ... -
Impact of land use during winter on the balance of greenhouse gases
Posse Beaulieu, Gabriela; Lewczuk, Nuria Andrea; Di Bella, Carlos Marcelo; Richter, Klaus; Oricchio, Patricio; Hilbert, Jorge Antonio (Wiley, 2018)The increase in atmospheric greenhouse gases (GHGs) can be mitigated by capturing CO2 from the atmosphere and/or by reducing their emissions. Replacing winter intercrop fallow by cover crops (CCs) can sequester carbon and ... -
Impacto de los cambios en el uso y la cobertura de la tierra y de la variación del clima, sobre los principales componentes del balance de agua en la cuenca del río Colorado, Argentina
Aumassanne, Carolina Manuela (Facultad de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, 2019-09-26)La cuenca del río Colorado, en Argentina, está inmersa en un sistema árido y vulnerable frente a la variabilidad climática y, sumando complejidad a la situación de disponibilidad y manejo del agua, su interprovincialidad. ... -
Influence of fuel conditions on the occurrence, propagation and duration of wildland fires: A regional approach
Fischer, Maria De Los Angeles; Di Bella, Carlos Marcelo; Jobbagy Gampel, Esteban Gabriel (2015-09)Wildfires affect Earth's surface every year. Fuels conditions influence fire occurrence and behavior; therefore, their characterization is important for fire risk studies. We analyzed vegetation conditions influencing fires ... -
Long-lasting floods buffer the thermal regime of the Pampas
Houspanossian, Javier; Kuppel, Sylvain; Nosetto, Marcelo Daniel; Di Bella, Carlos Marcelo; Oricchio, Patricio; Barrucand, Mariana Graciela; Rusticucci, Matilde Monica; Jobbagy Gampel, Esteban Gabriel (Springer, 2018-01)The presence of large water masses influences the thermal regime of nearby land shaping the local climate of coastal areas by the ocean or large continental lakes. Large surface water bodies have an ephemeral nature in the ... -
Morfometría de la cuenca alta del Río Colorado, Argentina = Morphometric of the Colorado River high basin, Argentina
Aumassanne, Carolina Manuela; Gaspari, Fernanda Julia; Beget, Maria Eugenia; Sartor, Paolo Daniel; Oricchio, Patricio; Di Bella, Carlos Marcelo (Universidad Nacional del Comahue. Neuquén. Departamento Geografía, 2018)Las subcuencas del río Grande y del río Barrancas conforman la cuenca alta del río Colorado y la abastecen de agua a partir de la nieve que precipita en las altas cumbres. Conocer las características morfométricas y ... -
Multi-Temporal analysis of remotely sensed information using wavelets
Campos, Alfredo Nicolas; Di Bella, Carlos Marcelo (Scientific Research Publishing, 2012)Land cover changes (LCC) are an important component of Global Change. LCC can be described not only by its occur-rence, but also by the land cover replacement, causal agent and change duration or recuperation. Nowadays, ... -
National-scale soybean mapping and area estimation in the United States using medium resolution satellite imagery and field survey
Xiao-Peng, Song; Potapov, Peter V.; Krylov, Alexander; King, LeeAnn; Di Bella, Carlos Marcelo; Hudson, Amy; Khan, Ahmad; Adusei, Bernard; Stehman, Stephen V.; Hansen, Matthew C. (2017)Reliable and timely information on agricultural production is essential for ensuring world food security. Freely available medium-resolution satellite data (e.g. Landsat, Sentinel) offer the possibility of improved global ... -
Patterns and controls of carbon dioxide and water vapor fluxes in a dry forest of central Argentina
Garcia, Alfredo Gabriel; Di Bella, Carlos Marcelo; Houspanossian, Javier; Magliano, Patricio Nicolás; Jobbagy Gampel, Esteban Gabriel; Posse Beaulieu, Gabriela; Fernandez, Roberto J.; Nosetto, Marcelo Daniel (Elsevier, 2017-12)Covering 16% of global land surface, dry forests play a key role in the global carbon budget. The Southern Hemisphere still preserves a high proportion of its native dry forest cover, but deforestation rates have increased ... -
Red nacional de monitoreo de pastizales naturales de Argentina: productividad forrajera de la vegetación extrapampeana
Blanco, Lisandro Javier; Durante, Martin; Ferrante, Daniela; Quiroga, Raul Emiliano; Demaria, Manuel Rodolfo; Di Bella, Carlos Marcelo (Ediciones INTA, 2019-04)Las regiones extrapampeanas sostienen una porción relevante de la producción ganadera de Argentina (bovinos, caprinos, ovinos y camélidos), sustentada principalmente por el aporte forrajero de la vegetación nativa. En este ... -
Regional isoprenoid emission from Eucalyptus grandis forests in northeastern Argentina
Richter, Klaus; Centritto, Mauro; Di Bella, Carlos Marcelo; Posse Beaulieu, Gabriela (2016)Eucalyptus species are strong source of isoprenoid emission. The objective of the present study was to estimate isoprenoid emissions from Eucalyptus grandis forest crops in the Entre Rios province in the Mesopotamia region ... -
Relationship between biophysical parameters and synthetic indices derived from hyperspectral field data in a coastal marsh from Buenos Aires Province, Argentina
Gonzalez Trilla, Gabriela Liliana; Pratolongo, Paula Daniela; Kandus, Patricia; Beget, Maria Eugenia; Di Bella, Carlos Marcelo; Marcovecchio, Jorge Eduardo (Springer, 2016-02)Remote sensing tools allow the environmental evaluation of coastal wetlands at a landscape scale, but a deeper understanding is needed of the interactions between biophysical parameters and the electromagnetic signal. The ... -
Relationship between MODIS-NDVI data and wheat yield : a case study in northern Buenos Aires province, Argentina
Lopresti, Mariano Francisco; Di Bella, Carlos Marcelo; Degioanni, Américo José (2015-07-18)In countries like Argentina, whose economy depends heavily on crop production, the estimation of harvests is an elementary requirement. Besides providing objectivity, the use of remote sensing allows estimating yield in ... -
Selecting control sites for post-fire ecological studies using biological criteria and MODIS time series data
Landi, Marcos Alejandro; Di Bella, Carlos Marcelo; Ojeda, Silvia; Salvatierra, Paola Luciana; Argañaraz, Juan Pablo; Bellis, Laura Marisa (Association for Fire Ecology, 2017)Wildland fires play a key role in the functioning and structure of vegetation. The availability of sensors aboard satellites, such as Moderate Resolution Imaging Spectroradiometer (MODIS), makes possible the construction ... -
Sequía e inundación en la hiperllanura pampeana. Una mirada desde el lote al municipio
Mercau, Jorge Luis; Jobbagy Gampel, Esteban Gabriel; Viglizzo, Ernesto Francisco; Menendez, Angel N.; Di Bella, Carlos Marcelo; Bert, Federico Esteban; Portela, Silvina Isabel; Figueroa Schibber, Evelyn; Florio, Eva Laura; Giménez, Raúl; García, P.; Murray, Francisco (Universidad de Buenos Aires. Facultad de Agronomía, 2013)La variabilidad de las lluvias genera sequías e inundaciones que perjudican a campos y municipios. A nivel municipal frente al riesgo de inundación se reconoce el efecto crítico de las obras hidráulicas para defender ... -
La teledetección como herramienta para la prevención, seguimiento y evaluación de incendios e inundaciones
Di Bella, Carlos Marcelo; Posse Beaulieu, Gabriela; Beget, Maria Eugenia; Fischer, Maria De Los Angeles; Mari, N.; Veron, Santiago Ramón (Asociación Española de Ecología Terrestre, 2008-09-11)Los incendios y las inundaciones son dos de los disturbios que más frecuentemente afectan a la población humana y a los recursos naturales. La teledetección, a través de sensores remotos activos y pasivos, constituye una ... -
Total and aboveground radiation use efficiency in C3 and C4 grass species influenced by nitrogen and water availability
Cristiano, Piedad María; Posse Beaulieu, Gabriela; Di Bella, Carlos Marcelo (Wiley; Japanese Society of Grassland Science, 2015-09)Absorbed solar radiation and radiation use efficiency (RUE) can be used to estimate net primary productivity of terrestrial ecosystems. In ecosystems dominated by grasses, belowground productivity cannot be neglected in ...