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Marcio Pupin Mello
The Boeing Company, Boeing Research & Technology—Brazil, São José dos Campos 12227, Brazil

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Journal article
Published: 14 January 2017 in Remote Sensing
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The unavoidable diet change in emerging countries, projected for the coming years, will significantly increase the global consumption of animal protein. It is expected that Brazilian livestock production, responsible for close to 15% of global production, be prepared to answer to the increasing demand of beef. Consequently, the evaluation of pasture quality at regional scale is important to inform public policies towards a rational land use strategy directed to improve livestock productivity in the country. Our hypothesis is that MODIS images can be used to evaluate the processes of degradation, restoration and renovation of tropical pastures. To test this hypothesis, two field campaigns were performed covering a route of approximately 40,000 km through nine Brazilian states. To characterize the sampled pastures, biophysical parameters were measured and observations about the pastures, the adopted management and the landscape were collected. Each sampled pasture was evaluated using a time series of MODIS EVI2 images from 2000–2012, according to a new protocol based on seven phenological metrics, 14 Boolean criteria and two numerical criteria. The theoretical basis of this protocol was derived from interviews with producers and livestock experts during a third field campaign. The analysis of the MODIS EVI2 time series provided valuable historical information on the type of intervention and on the biological degradation process of the sampled pastures. Of the 782 pastures sampled, 26.6% experienced some type of intervention, 19.1% were under biological degradation, and 54.3% presented neither intervention nor trend of biomass decrease during the period analyzed.

ACS Style

Daniel Alves Aguiar; Marcio Pupin Mello; Sandra Furlan Nogueira; Fabio Guimarães Gonçalves; Marcos Adami; Bernardo Friedrich Theodor Rudorff. MODIS Time Series to Detect Anthropogenic Interventions and Degradation Processes in Tropical Pasture. Remote Sensing 2017, 9, 73 .

AMA Style

Daniel Alves Aguiar, Marcio Pupin Mello, Sandra Furlan Nogueira, Fabio Guimarães Gonçalves, Marcos Adami, Bernardo Friedrich Theodor Rudorff. MODIS Time Series to Detect Anthropogenic Interventions and Degradation Processes in Tropical Pasture. Remote Sensing. 2017; 9 (1):73.

Chicago/Turabian Style

Daniel Alves Aguiar; Marcio Pupin Mello; Sandra Furlan Nogueira; Fabio Guimarães Gonçalves; Marcos Adami; Bernardo Friedrich Theodor Rudorff. 2017. "MODIS Time Series to Detect Anthropogenic Interventions and Degradation Processes in Tropical Pasture." Remote Sensing 9, no. 1: 73.

Journal article
Published: 08 March 2016 in Remote Sensing
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The potential of optical remote sensing data to identify, map and monitor croplands is well recognized. However, clouds strongly limit the usefulness of optical imagery for these applications. This paper aims at assessing cloud cover conditions over four states in the tropical and sub-tropical Center-South region of Brazil to guide the development of an appropriate agricultural monitoring system based on Landsat-like imagery. Cloudiness was assessed during overlapping four months periods to match the typical length of crop cycles in the study area. The percentage of clear sky occurrence was computed from the 1 km resolution MODIS Cloud Mask product (MOD35) considering 14 years of data between July 2000 and June 2014. Results showed high seasonality of cloud occurrence within the crop year with strong variations across the study area. The maximum seasonality was observed for the two states in the northern part of the study area (i.e., the ones closer to the Equator line), which also presented the lowest averaged values (15%) of clear sky occurrence during the main (summer) cropping period (November to February). In these locations, optical data faces severe constraints for mapping summer crops. On the other hand, relatively favorable conditions were found in the southern part of the study region. In the South, clear sky values of around 45% were found and no significant clear sky seasonality was observed. Results underpin the challenges to implement an operational crop monitoring system based solely on optical remote sensing imagery in tropical and sub-tropical regions, in particular if short-cycle crops have to be monitored during the cloudy summer months. To cope with cloudiness issues, we recommend the use of new systems with higher repetition rates such as Sentinel-2. For local studies, Unmanned Aircraft Vehicles (UAVs) might be used to augment the observing capability. Multi-sensor approaches combining optical and microwave data can be another option. In cases where wall-to-wall maps are not mandatory, statistical sampling approaches might also be a suitable alternative for obtaining useful crop area information.

ACS Style

Isaque Daniel Rocha Eberhardt; Bruno Schultz; Rodrigo Rizzi; Ieda Del’Arco Sanches; Antonio Roberto Formaggio; Clement Atzberger; Marcio Pupin Mello; Markus Immitzer; Kleber Trabaquini; William Foschiera; Alfredo José Barreto Luiz. Cloud Cover Assessment for Operational Crop Monitoring Systems in Tropical Areas. Remote Sensing 2016, 8, 219 .

AMA Style

Isaque Daniel Rocha Eberhardt, Bruno Schultz, Rodrigo Rizzi, Ieda Del’Arco Sanches, Antonio Roberto Formaggio, Clement Atzberger, Marcio Pupin Mello, Markus Immitzer, Kleber Trabaquini, William Foschiera, Alfredo José Barreto Luiz. Cloud Cover Assessment for Operational Crop Monitoring Systems in Tropical Areas. Remote Sensing. 2016; 8 (3):219.

Chicago/Turabian Style

Isaque Daniel Rocha Eberhardt; Bruno Schultz; Rodrigo Rizzi; Ieda Del’Arco Sanches; Antonio Roberto Formaggio; Clement Atzberger; Marcio Pupin Mello; Markus Immitzer; Kleber Trabaquini; William Foschiera; Alfredo José Barreto Luiz. 2016. "Cloud Cover Assessment for Operational Crop Monitoring Systems in Tropical Areas." Remote Sensing 8, no. 3: 219.

Journal article
Published: 15 November 2013 in Remote Sensing
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This paper describes the basis functioning and implementation of a computer-aided Bayesian Network (BN) method that is able to incorporate experts’ knowledge for the benefit of remote sensing applications and other raster data analyses: Bayesian Network for Raster Data (BayNeRD). Using a case study of soybean mapping in Mato Grosso State, Brazil, BayNeRD was tested to evaluate its capability to support the understanding of a complex phenomenon through plausible reasoning based on data observation. Observations made upon Crop Enhanced Index (CEI) values for the current and previous crop years, soil type, terrain slope, and distance to the nearest road and water body were used to calculate the probability of soybean presence for the entire Mato Grosso State, showing strong adherence to the official data. CEI values were the most influencial variables in the calculated probability of soybean presence, stating the potential of remote sensing as a source of data. Moreover, the overall accuracy of over 91% confirmed the high accuracy of the thematic map derived from the calculated probability values. BayNeRD allows the expert to model the relationship among several observed variables, outputs variable importance information, handles incomplete and disparate forms of data, and offers a basis for plausible reasoning from observations. The BayNeRD algorithm has been implemented in R software and can be found on the internet.

ACS Style

Marcio Pupin Mello; Joel Risso; Clement Atzberger; Paul Aplin; Edzer Pebesma; Carlos Antonio Oliveira Vieira; Bernardo Friedrich Theodor Rudorff. Bayesian Networks for Raster Data (BayNeRD): Plausible Reasoning from Observations. Remote Sensing 2013, 5, 5999 -6025.

AMA Style

Marcio Pupin Mello, Joel Risso, Clement Atzberger, Paul Aplin, Edzer Pebesma, Carlos Antonio Oliveira Vieira, Bernardo Friedrich Theodor Rudorff. Bayesian Networks for Raster Data (BayNeRD): Plausible Reasoning from Observations. Remote Sensing. 2013; 5 (11):5999-6025.

Chicago/Turabian Style

Marcio Pupin Mello; Joel Risso; Clement Atzberger; Paul Aplin; Edzer Pebesma; Carlos Antonio Oliveira Vieira; Bernardo Friedrich Theodor Rudorff. 2013. "Bayesian Networks for Raster Data (BayNeRD): Plausible Reasoning from Observations." Remote Sensing 5, no. 11: 5999-6025.

Letter
Published: 19 October 2012 in Remote Sensing
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The ability to monitor sugarcane expansion in Brazil, the world’s largest producer and exporter of sugar and second largest producer of ethanol, is important due to its agricultural, economic, strategic and environmental relevance. With the advent of flex fuel cars in 2003 the sugarcane area almost doubled over the last decade in the South-Central region of Brazil. Using remote sensing images, the sugarcane cultivation area was annually monitored and mapped between 2003 and 2012, a period of major sugarcane expansion. The objective of this work was to assess the thematic mapping accuracy of sugarcane, in the crop year 2010/2011, with the novel approach of developing a web platform that integrates different spatial and temporal image resolutions to assist interpreters in classifying a large number of points selected by stratified random sampling. A field campaign confirmed the suitability of the web platform to generate the reference data set. An overall accuracy of 98% with an area estimation error of −0.5% was achieved for the sugarcane map of 2010/11. The accuracy assessment indicated that the map is of excellent quality, offering very accurate sugarcane area estimation for the purpose of agricultural statistics. Moreover, the web platform showed to be very effective in the construction of the reference dataset.

ACS Style

Marcos Adami; Marcio Pupin Mello; Daniel Alves Aguiar; Bernardo Friedrich Theodor Rudorff; Arley Ferreira De Souza. A Web Platform Development to Perform Thematic Accuracy Assessment of Sugarcane Mapping in South-Central Brazil. Remote Sensing 2012, 4, 3201 -3214.

AMA Style

Marcos Adami, Marcio Pupin Mello, Daniel Alves Aguiar, Bernardo Friedrich Theodor Rudorff, Arley Ferreira De Souza. A Web Platform Development to Perform Thematic Accuracy Assessment of Sugarcane Mapping in South-Central Brazil. Remote Sensing. 2012; 4 (10):3201-3214.

Chicago/Turabian Style

Marcos Adami; Marcio Pupin Mello; Daniel Alves Aguiar; Bernardo Friedrich Theodor Rudorff; Arley Ferreira De Souza. 2012. "A Web Platform Development to Perform Thematic Accuracy Assessment of Sugarcane Mapping in South-Central Brazil." Remote Sensing 4, no. 10: 3201-3214.

Journal article
Published: 02 April 2012 in Sustainability
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The use of biofuels to mitigate global carbon emissions is highly dependent on direct and indirect land use changes (LUC). The direct LUC (dLUC) can be accurately evaluated using remote sensing images. In this work we evaluated the dLUC of about 4 million hectares of sugarcane expanded from 2005 to 2010 in the South-central region of Brazil. This region has a favorable climate for rain-fed sugarcane, a great potential for agriculture expansion without deforestation, and is currently responsible for almost 90% of Brazilian’s sugarcane production. An available thematic map of sugarcane along with MODIS and Landast images, acquired from 2000 to 2009, were used to evaluate the land use prior to the conversion to sugarcane. A systematic sampling procedure was adopted and the land use identification prior to sugarcane, for each sample, was performed using a web tool developed to visualize both the MODIS time series and the multitemporal Landsat images. Considering 2000 as reference year, it was observed that sugarcane expanded: 69.7% on pasture land; 25.0% on annual crops; 0.6% on forest; while 3.4% was sugarcane land under crop rotation. The results clearly show that the dLUC of recent sugarcane expansion has occurred on more than 99% of either pasture or agriculture land.

ACS Style

Marcos Adami; Bernardo Friedrich Theodor Rudorff; Ramon Morais Freitas; Daniel Alves Aguiar; Luciana Miura Sugawara; Marcio Pupin Mello. Remote Sensing Time Series to Evaluate Direct Land Use Change of Recent Expanded Sugarcane Crop in Brazil. Sustainability 2012, 4, 574 -585.

AMA Style

Marcos Adami, Bernardo Friedrich Theodor Rudorff, Ramon Morais Freitas, Daniel Alves Aguiar, Luciana Miura Sugawara, Marcio Pupin Mello. Remote Sensing Time Series to Evaluate Direct Land Use Change of Recent Expanded Sugarcane Crop in Brazil. Sustainability. 2012; 4 (4):574-585.

Chicago/Turabian Style

Marcos Adami; Bernardo Friedrich Theodor Rudorff; Ramon Morais Freitas; Daniel Alves Aguiar; Luciana Miura Sugawara; Marcio Pupin Mello. 2012. "Remote Sensing Time Series to Evaluate Direct Land Use Change of Recent Expanded Sugarcane Crop in Brazil." Sustainability 4, no. 4: 574-585.

Journal article
Published: 13 December 2011 in Remote Sensing
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Traditional manual sugarcane harvesting requires the pre-harvest burning practice which should be gradually banned by 2021 for most of São Paulo State, Brazil, on cultivated sugarcane land (terrain slope ≤12%) according to State Law number 11241. To forward the end of this practice to 2014, a “Green Ethanol” Protocol was established in 2007. The present work aims at analyzing five years of continuous sugarcane harvest monitoring, based on remote sensing images, to evaluate the effectiveness of the Protocol, thus helping decision makers to establish public policies to meet the Protocol’s expected goals. During the last five crop years, sugarcane acreage expanded by 1.5 million ha, which was compensated by a correspondent increase in the green harvested land. However, no significant reduction was observed in the amount of pre-harvest burned land over the same period. Based on the current trend, this goal is likely to be achieved one or two years later (2015–2016), which will be five or six years ahead of 2021 as the goal in the State Law number 11241 states. We thus conclude that the“Green Ethanol” Protocol has been effective with a positive impact on the increase of GH, especially on recently expanded sugarcane fields.

ACS Style

Daniel Alves Aguiar; Bernardo Friedrich Theodor Rudorff; Wagner Fernando Silva; Marcos Adami; Marcio Pupin Mello. Remote Sensing Images in Support of Environmental Protocol: Monitoring the Sugarcane Harvest in São Paulo State, Brazil. Remote Sensing 2011, 3, 2682 -2703.

AMA Style

Daniel Alves Aguiar, Bernardo Friedrich Theodor Rudorff, Wagner Fernando Silva, Marcos Adami, Marcio Pupin Mello. Remote Sensing Images in Support of Environmental Protocol: Monitoring the Sugarcane Harvest in São Paulo State, Brazil. Remote Sensing. 2011; 3 (12):2682-2703.

Chicago/Turabian Style

Daniel Alves Aguiar; Bernardo Friedrich Theodor Rudorff; Wagner Fernando Silva; Marcos Adami; Marcio Pupin Mello. 2011. "Remote Sensing Images in Support of Environmental Protocol: Monitoring the Sugarcane Harvest in São Paulo State, Brazil." Remote Sensing 3, no. 12: 2682-2703.

Journal article
Published: 18 January 2011 in Remote Sensing
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The Soy Moratorium is a pledge agreed to by major soybean companies not to trade soybean produced in deforested areas after 24th July 2006 in the Brazilian Amazon biome. The present study aims to identify soybean planting in these areas using the MOD13Q1 product and TM/Landsat-5 images followed by aerial survey and field inspection. In the 2009/2010 crop year, 6.3 thousand ha of soybean (0.25% of the total deforestation) were identified in areas deforested during the moratorium period. The use of remote sensing satellite images reduced by almost 80% the need for aerial survey to identify soybean planting and allowed monitoring of all deforested areas greater than 25 ha. It is still premature to attribute the recent low deforestation rates in the Amazon biome to the Soy Moratorium, but the initiative has certainly exerted an inhibitory effect on the soybean frontier expansion in this biome.

ACS Style

Bernardo Friedrich Theodor Rudorff; Marcos Adami; Daniel Alves Aguiar; Maurício Alves Moreira; Marcio Pupin Mello; Leandro Fabiani; Daniel Furlan Amaral; Bernardo Machado Pires. The Soy Moratorium in the Amazon Biome Monitored by Remote Sensing Images. Remote Sensing 2011, 3, 185 -202.

AMA Style

Bernardo Friedrich Theodor Rudorff, Marcos Adami, Daniel Alves Aguiar, Maurício Alves Moreira, Marcio Pupin Mello, Leandro Fabiani, Daniel Furlan Amaral, Bernardo Machado Pires. The Soy Moratorium in the Amazon Biome Monitored by Remote Sensing Images. Remote Sensing. 2011; 3 (1):185-202.

Chicago/Turabian Style

Bernardo Friedrich Theodor Rudorff; Marcos Adami; Daniel Alves Aguiar; Maurício Alves Moreira; Marcio Pupin Mello; Leandro Fabiani; Daniel Furlan Amaral; Bernardo Machado Pires. 2011. "The Soy Moratorium in the Amazon Biome Monitored by Remote Sensing Images." Remote Sensing 3, no. 1: 185-202.