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Selection: with tag modis [30 articles] 

 

Remote sensing monitoring of land restoration interventions in semi-arid environments with a before–after control-impact statistical design

  
International Journal of Applied Earth Observation and Geoinformation, Vol. 59 (July 2017), pp. 42-52, https://doi.org/10.1016/j.jag.2017.02.016

Abstract

[Highlights] [::] A rapid, standardised and objective assessment of the biophysical impact of restoration interventions is proposed. [::] The intervention impact is evaluated by a before–after control-impact sampling design. [::] The method provides a statistical test of the no-change hypothesis and the estimation of the relative magnitude of the change. [::] The method is applicable to NDVI and other remote sensing-derived variables. [Abstract] Restoration interventions to combat land degradation are carried out in arid and semi-arid areas to improve vegetation cover and land productivity. Evaluating the success ...

 

Anthropogenic effects on global mean fire size

  
International Journal of Wildland Fire, Vol. 24, No. 5. (2015), 589, https://doi.org/10.1071/wf14208

Abstract

Wildland fires are an important agent in the earth’s system. Multiple efforts are currently in progress to better represent wildland fires in earth system models. Although wildland fires are a natural disturbance factor, humans have an important effect on fire occurrence by directly igniting and suppressing fires and indirectly influencing fire behaviour by changing land cover and landscape structure. Although these factors are recognised, their quantitative effect on fire growth and burned area are not well understood and therefore only partly ...

 

Live fuel moisture content and ignition probability in the Iberian peninsular territory of Spain

  
GeoFocus, Vol. 13, No. 2. (2013), pp. 25-40

Abstract

This paper presents an operational algorithm to produce Live Fuel Moisture Content (LFMC) at national scale from MODIS data. The algorithm is based on the inversion of Radiative Transfer Models (RTM) that estimate moisture content based on different simulation scenarios. In addition, logistic regression models were calibrated to convert the derived LFMC values into Ignition Probability (IP) maps. The areas under the curve obtained by the Receiver Operating Characteristic (ROC) plot method provided by the models were close to 0.6. Several ...

 

Remotely sensed Live Fuel Moisture retrieval using Radiative Transfer Models

  
(2012)

Abstract

La presente tesis doctoral ha tenido como objetivo principal el estimar el contenido de humedad de la vegetación viva (LFMC) en el contexto de la evaluación del riesgo de incendio. El área de estudio ha sido la comprendida por la región Mediterránea y Eurosiberiana, ambas localizadas en el territorio peninsular español. La teledetección espacial es una herramienta útil y prometedora para estimar parámetros biofísicos. Por lo tanto, las imágenes de satélite procedentes del programa MODIS (MODerate-resolution Imaging Spectroradiometer) a 500m ...

 

Estimation of live fuel moisture content from MODIS images for fire danger assessment in Southern Gran Chaco

  
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2016), pp. 1-11, https://doi.org/10.1109/jstars.2016.2575366

Abstract

Moisture content of live fuels (LFMC) is one of the main factors determining fuel flammability and, therefore, a key indicator of fire danger. In this study, we modeled the relationship between spectral indices derived from satellite imagery and field estimations of LFMC in the Chaco Serrano subregion; then, we analyzed the relationship between fire danger estimations based on LFMC calculations and fire activity. Empirical LFMC models fitted for grasslands, Chaco Serrano forests, and glossy privet forests may be considered very accurate ...

 

Bistability, spatial interaction, and the distribution of tropical forests and savannas

  
Ecosystems (2016), pp. 1-12, https://doi.org/10.1007/s10021-016-0011-1

Abstract

Recent work has indicated that tropical forest and savanna can be alternative stable states under a range of climatic conditions. However, dynamical systems theory suggests that in case of strong spatial interactions between patches of forest and savanna, a boundary between both states is only possible at conditions in which forest and savanna are equally stable, called the ‘Maxwell point.’ Frequency distributions of MODIS tree-cover data at 250 m resolution were used to estimate such Maxwell points with respect to the ...

 

Regional estimation of woodland moisture content by inverting Radiative Transfer Models

  
Remote Sensing of Environment, Vol. 132 (May 2013), pp. 59-70, https://doi.org/10.1016/j.rse.2013.01.004

Abstract

[Abstract] We inverted the PROSPECT and GEOSAIL Radiative Transfer Models (RTM) using Moderate Resolution Imaging Spectrometer (MODIS) data to retrieve Live Fuel Moisture Content (LFMC) in woodlands located in the peninsular territory of Spain. Ecological rules were used to parameterize the RTM. This approach reduces the probability of an ill-posed problem in the inversion of the selected RTMs, by rejecting unrealistic combinations of input parameters. Three species representatives of each region were used to derive the ecological rules: Quercus ilex L., Quercus ...

 

Estimation of live fuel moisture content from MODIS images for fire risk assessment

  
Agricultural and Forest Meteorology, Vol. 148, No. 4. (April 2008), pp. 523-536, https://doi.org/10.1016/j.agrformet.2007.12.005

Abstract

This paper presents a method to estimate fuel moisture content (FMC) of Mediterranean vegetation species from satellite images in the context of fire risk assessment. The relationship between satellite images and field collected FMC data was based on two methodologies: empirical relations and statistical models based on simulated reflectances derived from radiative transfer models (RTM). Both models were applied to the same validation data set to compare their performance. FMC of grassland and shrublands were estimated using a 5-year time series ...

 

Evaluation of optical remote sensing to estimate actual evapotranspiration and canopy conductance

  
Remote Sensing of Environment, Vol. 129 (February 2013), pp. 250-261, https://doi.org/10.1016/j.rse.2012.11.004

Abstract

[Abstract] We compared estimates of actual evapotranspiration (ET) produced with six different vegetation measures derived from the MODerate resolution Imaging Spectroradiometer (MODIS) and three contrasting estimation approaches using measurements from eddy covariance flux towers at 16 FLUXNET sites located over six different land cover types. The aim was to assess optimal approaches in using optical remote sensing to estimate ET. The first two approaches directly regressed various MODIS vegetation indices (VIs) and products such as leaf area index (LAI) and fraction of ...

 

Evaluation of Moderate-resolution Imaging Spectroradiometer (MODIS) snow albedo product (MCD43A) over tundra

  
Remote Sensing of Environment, Vol. 117 (February 2012), pp. 264-280, https://doi.org/10.1016/j.rse.2011.10.002
Keywords: albedo   mcd43   mcd43a   modis   snow   tundra  

Abstract

[Abstract] This study assesses the MODIS standard Bidirectional Reflectance Distribution Function (BRDF)/Albedo product, and the daily Direct Broadcast BRDF/Albedo algorithm at tundra locations under large solar zenith angles and high anisotropic diffuse illumination and multiple scattering conditions. These products generally agree with ground-based albedo measurements during the snow cover period when the Solar Zenith Angle (SZA) is less than 70°. An integrated validation strategy, including analysis of the representativeness of the surface heterogeneity, is performed to decide whether direct comparisons between field ...

 

Intercomparison of MODIS albedo retrievals and in situ measurements across the global FLUXNET network

  
Remote Sensing of Environment, Vol. 121 (June 2012), pp. 323-334, https://doi.org/10.1016/j.rse.2012.02.019

Abstract

[Abstract] Surface albedo is a key parameter in the Earth's energy balance since it affects the amount of solar radiation directly absorbed at the planet surface. Its variability in time and space can be globally retrieved through the use of remote sensing products. To evaluate and improve the quality of satellite retrievals, careful intercomparisons with in situ measurements of surface albedo are crucial. For this purpose we compared MODIS albedo retrievals with surface measurements taken at 53 FLUXNET sites that met strict ...

 

Re-evaluation of MODIS MCD43 Greenland albedo accuracy and trends

  
Remote Sensing of Environment, Vol. 138 (November 2013), pp. 199-214, https://doi.org/10.1016/j.rse.2013.07.023
Keywords: accuracy   albedo   greenland   mcd43   modis   remote-sensing  

Abstract

[Highlights] [::] The MODIS 16-day snow albedo product is in general agreement with Greenland in situ data. [::] Analysis from 2000 to 2012 reveals negative trends leading to enhanced absorption of solar energy. [::] In 2012, albedo anomalies were more than two standard deviations below the 2000–2009 mean. [Abstract] In this study, the accuracy of the MODerate resolution Imaging Spectroradiometer (MODIS) combined Terra (MOD) and Aqua (MYD) 16-day albedo product (MCD43) is evaluated through comparisons with eleven years of in situ measurements at 17 automatic weather ...

 

Evaluation of MODIS albedo product (MCD43A) over grassland, agriculture and forest surface types during dormant and snow-covered periods

  
Remote Sensing of Environment, Vol. 140 (January 2014), pp. 60-77, https://doi.org/10.1016/j.rse.2013.08.025

Abstract

[Highlights] [::] We evaluated the MCD43A Albedo during dormant and snow covered period. [::] Spatial representativeness analysis is necessary for the albedo evaluation. [::] MODIS albedo performs well during vegetation dormancy and snow cover. [Abstract] This study assesses the Moderate-resolution Imaging Spectroradiometer (MODIS) BRDF/albedo 8 day standard product and products from the daily Direct Broadcast BRDF/albedo algorithm, and shows that these products agree well with ground-based albedo measurements during the more difficult periods of vegetation dormancy and snow cover. Cropland, grassland, deciduous and coniferous forests are ...

 

Testing estimation of water surface in Italian rice district from MODIS satellite data

  
International Journal of Applied Earth Observation and Geoinformation, Vol. 52 (October 2016), pp. 284-295, https://doi.org/10.1016/j.jag.2016.06.018

Abstract

[Highlights] [::] Landsat 8 is a valid data set to recognise flooded rice parcels. [::] MODIS data can be used to estimate flooding fraction (FF) at 1 × 1 km resolution. [::] MODIS NDVI can be used to mask unreliable FF predictions. [::] Spatio-temporal dynamics of water management within Italian rice district are clearly depictable from FF maps. [Abstract] Recent changes in rice crop management within Northern Italy rice district led to a reduction of seeding in flooding condition, which may have an impact on reservoir water ...

 

A new global tree-cover percentage map using MODIS data

  
International Journal of Remote Sensing, Vol. 37, No. 4. (16 February 2016), pp. 969-992, https://doi.org/10.1080/01431161.2016.1142684

Abstract

Global tree-cover percentage is an important parameter used to understand the global environment. However, the available global percentage tree-cover products are few. Producing a new global-scale data set facilitates comparison analysis among maps. Our study was undertaken to map tree-cover percentage on a global scale with better accuracy than previous studies. In this study, we estimated the tree-cover percentage on a global scale at a pixel size of 500 m using a modified supervised regression tree algorithm from the Moderate Resolution Imaging ...

 

(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 21

  
(February 2014)
Keywords: inrmm-list-of-tags   mating-pattern   matlab   matsucoccus-feytaudi   mattesia-schwenkei   mature-forest   mauritia-flexuosa   maxent   mcpfe   meadow   meadows   mechanical-testing   mechanics   mechanistic-approach   medetera-signaticornis   median   mediawiki   medicago-arborea   medical-herb   medicinal-plants   mediterranean-pines   mediterranean-region   medium-resolution   megastigmus-brevicaudis   megastigmus-spp   megastigmus-wachtli   melaleuca-quinquenervia   melampsora   melampsora-larici-populina   melanophila-picta   melia-azedarach   melia-spp   melting-acceleration   memory   mercurialis-perennis   mercury   mersenne-twister   mesoamerica   mesophilous   mesophytic-species   mespilus-germanica   messerschmidia-argentea   meta-analysis   metadata   metadata-mining   metaknowledge   metaprogramming   metasequoia-glyptostroboides   meteorology   methane   methods   metopium-toxiferum   metrology   metrosideros-polymorpha   mexico   mic   micology   microalgae   microclimate   microsatellite   microsite   microsoft-academic-search   mid-holocene   middle-east   migration   migration-history   migration-rate   milicia-excelsa   millennium-ecosystem-assessment   milliferous-plant   min-max   mineralization   minimal-predicted-area   miocene   miridae   missing-full-author-list   mistletoe   mitigation   mitochondrial-dna   mixed-forest   mixed-models   mixed-species-stand   mobile-communication   mode   model   model-assessment   model-comparison   model-drift   modelling   modelling-uncertainty   modelling-vs-management   moderate-floods   modern-analogue   modis   modularization   moist-convection   molinia-caerulea   monetarisation   mongolia  

Abstract

List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( http://mfkp.org/INRMM/tag/inrmm-list-of-tags ). ...

 

Forest growing stock volume of the northern hemisphere: Spatially explicit estimates for 2010 derived from Envisat ASAR

  
Remote Sensing of Environment, Vol. 168 (October 2015), pp. 316-334, https://doi.org/10.1016/j.rse.2015.07.005

Abstract

[Highlights] [::] Wall-to-wall estimates of forest growing stock volume (GSV) north of 10°N [::] Spatial distribution of GSV well reproduced in four biomes [::] Percent error of ASAR-derived GSV averages at provincial level: between 12% and 45%. [::] Underestimation for areas with GSV > 300 m3/ha and in fragmented forest landscapes [Abstract] This paper presents and assesses spatially explicit estimates of forest growing stock volume (GSV) of the northern hemisphere (north of 10°N) from hyper-temporal observations of Envisat Advanced Synthetic Aperture Radar (ASAR) backscattered intensity using the ...

 

Developing a spatially-explicit pan-European dataset of forest biomass increment

  
In 22nd European Biomass Conference and Exhibition (2014), pp. 41-46, https://doi.org/10.5071/22ndEUBCE2014-1AO.8.1

Abstract

Among the services provided by forest ecosystems, biomass is one of the most important. Nevertheless, spatially explicit data on forest biomass increment is rarely available for large regions. Thus the aim of this study is to develop a methodology for the spatial assessment of forest biomass increment at the panEuropean level. To address this aim, we used MODIS GPP data (NASA Product MOD17A3) adjusted with GPP data derived from upscaling FLUXNET observations using the Model Tree Ensemble (MTE) technique (Jung et ...

 

A MODIS-based global 1-km maximum green vegetation fraction dataset

  
Journal of Applied Meteorology and Climatology, Vol. 53, No. 8. (21 May 2014), pp. 1996-2004, https://doi.org/10.1175/jamc-d-13-0356.1

Abstract

Global land-cover data are widely used in regional and global models because land cover influences land–atmosphere exchanges of water, energy, momentum, and carbon. Many models use data of maximum green vegetation fraction (MGVF) to describe vegetation abundance. MGVF products have been created in the past using different methods, but their validation with ground sites is difficult. Furthermore, uncertainty is introduced because many products use a single year of satellite data. In this study, a global 1-km MGVF product is developed on ...

Visual summary

  • Caption: [Excerpt from the article] Green vegetation fraction (GVF; Deardorff 1978) is widely used in global models [...] Along with leaf area index (LAI; Myneni et al. 2002), GVF is used to describe the abundance of vegetation in most global models [...] The Community Land Model (CLM; Lawrence and Chase 2007) currently uses estimates of maximum GVF from ‘‘Continuous Fields’’ (CF) data that are based on measurements from the Moderate Resolution Imaging
 

Spatio-temporal interpolation of daily temperatures for global land areas at 1 km resolution

  
Journal of Geophysical Research: Atmospheres, Vol. 119, No. 5. (16 March 2014), pp. 2294-2313, https://doi.org/10.1002/2013jd020803

Abstract

Combined Global Surface Summary of Day and European Climate Assessment and Dataset daily meteorological data sets (around 9000 stations) were used to build spatio-temporal geostatistical models and predict daily air temperature at ground resolution of 1 km for the global land mass. Predictions in space and time were made for the mean, maximum, and minimum temperatures using spatio-temporal regression-kriging with a time series of Moderate Resolution Imaging Spectroradiometer (MODIS) 8 day images, topographic layers (digital elevation model and topographic wetness index), and ...

 

Mapping the daily progression of large wildland fires using MODIS active fire data

  
International Journal of Wildland Fire, Vol. 23, No. 5. (2014), 655, https://doi.org/10.1071/wf13015
Keywords: mapping   modelling   modis   regression   wildfires  

Abstract

High temporal resolution information on burnt area is needed to improve fire behaviour and emissions models. We used the Moderate Resolution Imaging Spectroradiometer (MODIS) thermal anomaly and active fire product (MO(Y)D14) as input to a kriging interpolation to derive continuous maps of the timing of burnt area for 16 large wildland fires. For each fire, parameters for the kriging model were defined using variogram analysis. The optimal number of observations used to estimate a pixel’s time of burning varied between four ...

 

Shifts in Arctic vegetation and associated feedbacks under climate change

  
Nature Climate Change, Vol. 3, No. 7. (31 July 2013), pp. 673-677, https://doi.org/10.1038/nclimate1858

Abstract

Climate warming has led to changes in the composition, density and distribution of Arctic vegetation in recent decades1, 2, 3, 4. These changes cause multiple opposing feedbacks between the biosphere and atmosphere5, 6, 7, 8, 9, the relative magnitudes of which will have globally significant consequences but are unknown at a pan-Arctic scale10. The precise nature of Arctic vegetation change under future warming will strongly influence climate feedbacks, yet Earth system modelling studies have so far assumed arbitrary increases in shrubs ...

 

MODIS and Vector-Borne Diseases

  
IEEE Earthzine, Vol. 6, No. 4. (2013), 713257

Abstract

Many regions in the world face an increasing risk for new or re-emerging vector-borne diseases. Subsequently, there is a strong need in addressing increasing challenges for human and veterinary public health across the globe. Dengue fever, borreliosis (Lyme disease), plague, West Nile fever, and tularaemia are examples for globally distributed vector-borne diseases with a high potential to affect people. Tick-borne rickettsial diseases (Ehrlichiosis, Anaplasmosis, Rocky Mountain spotted fever) are common in North America, whereas tick-borne encephalitis is widespread in Europe and ...

 

Remote sensing of larch phenological cycle and analysis of relationships with climate in the Alpine region

  
Global Change Biology, Vol. 16, No. 9. (March 2010), pp. 2504-2517, https://doi.org/10.1111/j.1365-2486.2010.02189.x

Abstract

This research aims at developing a remote sensing technique for monitoring the interannual variability of the European larch phenological cycle in the Alpine region of Aosta Valley (Northern Italy) and to evaluate its relationships with climatic factors. Phenological field observations were conducted in eight test sites from 2005 to 2007 to determine the dates of completion of different phenological phases. MODerate Resolution Imaging Spectrometer (MODIS) 250 m 16-days normalized difference vegetation index (NDVI) time series were fitted with double logistic curves and ...

 

Phenological monitoring of grassland and larch in the Alps from Terra and Aqua MODIS images

  
Italian Journal of Remote Sensing, Vol. 43 (31 October 2011), pp. 83-96, https://doi.org/10.5721/itjrs20114336

Abstract

This study compares MODIS NDVI 16-day (250 m) time series, acquired by Terra and Aqua platforms, for monitoring the phenological cycle of larch and grasslands in an alpine environment. The accuracy of MODIS 250 m Terra and Aqua phenological metrics was evaluated for larch forests through comparison with field data. At regional level it was carried out a correlation analysis between the mean dates of start and end of season detected from MODIS Terra and Aqua in different years. Regional maps ...

 

A MODIS assessment of the summer 2007 extent burned in Greece

  
International Journal of Remote Sensing, Vol. 29, No. 8. (25 March 2008), pp. 2433-2436, https://doi.org/10.1080/01431160701874561
Keywords: burnt-scar-mapping   data   dataset   effis   greece   modis   wildfires  

Abstract

Devastating fires affected Greece in the summer 2007, with the loss of more than 60 human lives, the destruction of more than 100 villages and hundreds of square kilometres of forest burned. This Letter presents a map of the extent burned and the approximate day of burning in Greece mapped by the MODIS burned area product for 22 June to 30 August 2007 and the burned areas mapped independently by the European Forest Fires Information Service (EFFIS). The characteristics of the ...

 

Status of terra MODIS and aqua modis

  
Advances in Space Research, Vol. 32, No. 11. (December 2003), pp. 2099-2106, https://doi.org/10.1016/s0273-1177(03)90529-1
Keywords: aqua-modis   modis   nasa   remote-sensing   terra-modis  

Abstract

Nearly identical copies of the Moderate Resolution Imaging Spectroradiometer (MODIS) have been operating onboard the Earth Observing System (EOS) Terra and Aqua satellites for 34 and 5 months respectively. Both are performing as designed. Sensitivities, with minor exceptions, are better than specified. Short- and long-term stability is very good. Trending of the Terra sensor has revealed degradation of the solar diffuser and the response of several VIS bands of a few percent per year. ...

 

Net primary productivity of forest stands in New Hampshire estimated from Landsat and MODIS satellite data

  
Carbon balance and management, Vol. 2 (2007), https://doi.org/10.1186/1750-0680-2-9

Abstract

A simulation model that relies on satellite observations of vegetation cover from the Landsat 7 sensor and from the Moderate Resolution Imaging Spectroradiometer (MODIS) was used to estimate net primary productivity (NPP) of forest stands at the Bartlett Experiment Forest (BEF) in the White Mountains of New Hampshire. Net primary production (NPP) predicted from the NASA-CASA model using 30-meter resolution Landsat inputs showed variations related to ...

 

Improved estimates of net primary productivity from modis satellite data at regional and local scales

  
Ecological applications : a publication of the Ecological Society of America, Vol. 16, No. 1. (February 2006), pp. 125-132, https://doi.org/10.1890/05-0247

Abstract

We compared estimates of net primary production (NPP) from the MODIS satellite with estimates from a forest ecosystem process model (PnET-CN) and forest inventory and analysis (FIA) data for forest types of the mid-Atlantic region of the United States. The regional means were similar for the three methods and for the dominant oak-hickory forests in the region. However, MODIS underestimated NPP for less-dominant northern hardwood forests and overestimated NPP for coniferous forests. Causes of inaccurate estimates of NPP by MODIS were ...

 

Reconciling satellite with ground data to estimate forest productivity at national scales

  
Forest Ecology and Management, Vol. 276 (July 2012), pp. 196-208, https://doi.org/10.1016/j.foreco.2012.03.022

Abstract

Large scale forest productivity estimates are of increasing interest as more demands are made on forest resources. In principle three different methods are currently available: (i) forest growth data from forest research plots and/or forest inventory sampling points based on repeated tree observations, (ii) flux tower observations which record the gas exchange of the plant atmosphere interactions for a given vegetation type, and (iii) remotely sensed data for a continuous cover of net primary productivity estimates. In this paper we focus ...

This page of the database may be cited as:
Integrated Natural Resources Modelling and Management - Meta-information Database. http://mfkp.org/INRMM/tag/modis

Publication metadata

Bibtex, RIS, RSS/XML feed, Json, Dublin Core

Meta-information Database (INRMM-MiD).
This database integrates a dedicated meta-information database in CiteULike (the CiteULike INRMM Group) with the meta-information available in Google Scholar, CrossRef and DataCite. The Altmetric database with Article-Level Metrics is also harvested. Part of the provided semantic content (machine-readable) is made even human-readable thanks to the DCMI Dublin Core viewer. Digital preservation of the meta-information indexed within the INRMM-MiD publication records is implemented thanks to the Internet Archive.
The library of INRMM related pubblications may be quickly accessed with the following links.
Search within the whole INRMM meta-information database:
Search only within the INRMM-MiD publication records:
Full-text and abstracts of the publications indexed by the INRMM meta-information database are copyrighted by the respective publishers/authors. They are subject to all applicable copyright protection. The conditions of use of each indexed publication is defined by its copyright owner. Please, be aware that the indexed meta-information entirely relies on voluntary work and constitutes a quite incomplete and not homogeneous work-in-progress.
INRMM-MiD was experimentally established by the Maieutike Research Initiative in 2008 and then improved with the help of several volunteers (with a major technical upgrade in 2011). This new integrated interface is operational since 2014.