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449 Results Found

  • Article
  • Open Access
31 Citations
12,351 Views
20 Pages

Improved VIIRS and MODIS SST Imagery

  • Irina Gladkova,
  • Alexander Ignatov,
  • Fazlul Shahriar,
  • Yury Kihai,
  • Don Hillger and
  • Boris Petrenko

21 January 2016

Moderate Resolution Imaging Spectroradiometers (MODIS) and Visible Infrared Imaging Radiometer Suite (VIIRS) radiometers, flown onboard Terra/Aqua and Suomi National Polar-orbiting Partnership (S-NPP)/Joint Polar Satellite System (JPSS) satellites, a...

  • Article
  • Open Access
30 Citations
8,848 Views
18 Pages

23 July 2012

Monitoring of water clarity trends is necessary for water resource managers. Remote sensing based methods are well suited for monitoring clarity in water bodies such as the inland lakes in Minnesota, United States. This study evaluated the potential...

  • Article
  • Open Access
12 Citations
6,346 Views
19 Pages

Computing Coastal Ocean Surface Currents from MODIS and VIIRS Satellite Imagery

  • Jianfei Liu,
  • William J. Emery,
  • Xiongbin Wu,
  • Miao Li,
  • Chuan Li and
  • Lan Zhang

24 October 2017

We explore the potential of computing coastal ocean surface currents from Moderate-Resolution Imaging Spectroradiometer (MODIS) and Visible Infrared Imaging Radiometer Suite (VIIRS) satellite imagery using the maximum cross-correlation (MCC) method....

  • Feature Paper
  • Article
  • Open Access
9 Citations
3,986 Views
16 Pages

Long-Term Series of Chlorophyll-a Concentration in Brazilian Semiarid Lakes from Modis Imagery

  • Dhalton Luiz Tosetto Ventura,
  • Jean-Michel Martinez,
  • José Luiz de Attayde,
  • Eduardo Sávio Passos Rodrigues Martins,
  • Nilva Brandini and
  • Luciane Silva Moreira

28 January 2022

By monitoring the chlorophyll a concentration (chla), it is possible to keep track of the eutrophication status of a lake and to describe the temporal dynamics of the phytoplankton biomass. Such monitoring must be both extensive and intensive to acco...

  • Data Descriptor
  • Open Access
20 Citations
10,069 Views
9 Pages

6 June 2016

Thermal imagery is widely used to quantify land surface temperatures to monitor the spatial extent and thermal intensity of the urban heat island (UHI) effect. Previous research has applied Landsat images, Advanced Spaceborne Thermal Emission and Ref...

  • Article
  • Open Access
74 Citations
11,263 Views
27 Pages

23 October 2013

Estimation of actual evapotranspiration (ET) for the Middle Rio Grande valley in central New Mexico via the METRIC surface energy balance model using MODIS and Landsat imagery is described. MODIS images are a useful resource for estimating ET at larg...

  • Article
  • Open Access
21 Citations
4,165 Views
20 Pages

13 May 2021

Mapping impervious surface area (ISA) dynamics at the regional and global scales is an important task that supports the management of the urban environment and urban ecological systems. In this study, we aimed to develop a new method for ISA percenta...

  • Article
  • Open Access
55 Citations
11,957 Views
23 Pages

Oil Spill Detection in Glint-Contaminated Near-Infrared MODIS Imagery

  • Andrea Pisano,
  • Francesco Bignami and
  • Rosalia Santoleri

19 January 2015

We present a methodology to detect oil spills using MODIS near-infrared sun glittered radiance imagery. The methodology was developed by using a set of seven MODIS images (training dataset) and validated using four other images (validation dataset)....

  • Article
  • Open Access
40 Citations
8,429 Views
23 Pages

A New Approach for Monitoring the Terra Nova Bay Polynya through MODIS Ice Surface Temperature Imagery and Its Validation during 2010 and 2011 Winter Seasons

  • Giuseppe Aulicino,
  • Manuela Sansiviero,
  • Stephan Paul,
  • Cinzia Cesarano,
  • Giannetta Fusco,
  • Peter Wadhams and
  • Giorgio Budillon

26 February 2018

Polynyas are dynamic stretches of open water surrounded by ice. They typically occur in remote regions of the Arctic and Antarctic, thus remote sensing is essential for monitoring their dynamics. On regional scales, daily passive microwave radiometer...

  • Technical Note
  • Open Access
8 Citations
3,665 Views
8 Pages

26 February 2022

Snow cover area is dramatically decreasing across the Los Andes Mountains and the most relevant water reservoir under drought conditions. In this sense, monitoring of snow cover is key to analyzing the hydrologic balance in snowmelt-driven basins. MO...

  • Article
  • Open Access
73 Citations
6,369 Views
24 Pages

Generating Daily Synthetic Landsat Imagery by Combining Landsat and MODIS Data

  • Mingquan Wu,
  • Wenjiang Huang,
  • Zheng Niu and
  • Changyao Wang

18 September 2015

Owing to low temporal resolution and cloud interference, there is a shortage of high spatial resolution remote sensing data. To address this problem, this study introduces a modified spatial and temporal data fusion approach (MSTDFA) to generate dail...

  • Article
  • Open Access
25 Citations
5,627 Views
22 Pages

3 July 2018

Spatiotemporal fusion of remote sensing data is essential for generating high spatial and temporal resolution data by taking advantage of high spatial resolution and high temporal resolution imageries. At present, the Spatial and Temporal Adaptive Re...

  • Article
  • Open Access
12 Citations
3,198 Views
19 Pages

Improving the Accuracy of Landsat 8 Land Surface Temperature in Arid Regions by MODIS Water Vapor Imagery

  • Fahime Arabi Aliabad,
  • Mohammad Zare,
  • Hamidreza Ghafarian Malamiri and
  • Ebrahim Ghaderpour

21 October 2023

Land surface temperature (LST) is a significant environmental factor in many studies. LST estimation methods require various parameters, such as emissivity, temperature, atmospheric transmittance and water vapor. Uncertainty in these parameters can c...

  • Article
  • Open Access
82 Citations
13,063 Views
18 Pages

Monitoring Biennial Bearing Effect on Coffee Yield Using MODIS Remote Sensing Imagery

  • Tiago Bernardes,
  • Maurício Alves Moreira,
  • Marcos Adami,
  • Angélica Giarolla and
  • Bernardo Friedrich Theodor Rudorff

27 August 2012

Coffee is the second most valuable traded commodity worldwide. Brazil is the world’s largest coffee producer, responsible for one third of the world production. A coffee plot exhibits high and low production in alternated years, a characteristic so c...

  • Article
  • Open Access
36 Citations
8,834 Views
14 Pages

Phenology-Based Method for Mapping Tropical Evergreen Forests by Integrating of MODIS and Landsat Imagery

  • Weili Kou,
  • Changxian Liang,
  • Lili Wei,
  • Alexander J. Hernandez and
  • Xuejing Yang

29 January 2017

Updated extent, area, and spatial distribution of tropical evergreen forests from inventory data provides valuable knowledge for research of the carbon cycle, biodiversity, and ecosystem services in tropical regions. However, acquiring these data in...

  • Article
  • Open Access
81 Citations
13,274 Views
22 Pages

An Algorithm for Burned Area Detection in the Brazilian Cerrado Using 4 µm MODIS Imagery

  • Renata Libonati,
  • Carlos C. DaCamara,
  • Alberto W. Setzer,
  • Fabiano Morelli and
  • Arturo E. Melchiori

24 November 2015

The Brazilian Cerrado is significantly affected by anthropic fires every year, which makes the region an important source of pyrogenic emissions. This study aims at generating improved 1 km monthly burned area maps for Cerrado based on remote-sensed...

  • Article
  • Open Access
83 Citations
9,565 Views
31 Pages

National Forest Aboveground Biomass Mapping from ICESat/GLAS Data and MODIS Imagery in China

  • Hong Chi,
  • Guoqing Sun,
  • Jinliang Huang,
  • Zhifeng Guo,
  • Wenjian Ni and
  • Anmin Fu

4 May 2015

Forest aboveground biomass (AGB) was mapped throughout China using large footprint LiDAR waveform data from the Geoscience Laser Altimeter System (GLAS) onboard NASA’s Ice, Cloud, and land Elevation Satellite (ICESat), Moderate Resolution Imaging Spe...

  • Article
  • Open Access
15 Citations
4,663 Views
18 Pages

28 January 2019

Analysis Ready Data (ARD) have undergone the most relevant pre-processing steps to satisfy most user demands. The freely available software FORCE (Framework for Operational Radiometric Correction for Environmental monitoring) is capable of generating...

  • Article
  • Open Access
59 Citations
11,814 Views
28 Pages

13 August 2012

The occurrence and extent of intense harmful algal blooms (HABs) have increased in inland waters during recent decades. Standard monitor networks, based on infrequent sampling from a few fixed observation stations, are not providing enough informatio...

  • Article
  • Open Access
8 Citations
4,734 Views
17 Pages

21 February 2019

In estuary areas, meteorological conditions have become unstable under the continuous effects of climate change, and the ecological backgrounds of such areas have strongly been influenced by anthropic activities. Consequently, the water quality of th...

  • Article
  • Open Access
26 Citations
11,580 Views
13 Pages

An Automated Approach to Map Winter Cropped Area of Smallholder Farms across Large Scales Using MODIS Imagery

  • Meha Jain,
  • Pinki Mondal,
  • Gillian L. Galford,
  • Greg Fiske and
  • Ruth S. DeFries

6 June 2017

Fine-scale agricultural statistics are an important tool for understanding trends in food production and their associated drivers, yet these data are rarely collected in smallholder systems. These statistics are particularly important for smallholder...

  • Article
  • Open Access
25 Citations
8,170 Views
24 Pages

20 April 2015

The Leaf Area Index (LAI) is one of the most frequently applied measures to characterize vegetation and its dynamics and functions with remote sensing. Satellite missions, such as NASA’s Moderate Resolution Imaging Spectroradiometer (MODIS) operation...

  • Article
  • Open Access
1 Citations
836 Views
14 Pages

AEDMA-NDMAI: Automatic Extraction and Daily Monitoring of Algal Blooms Using Normalized Difference MODIS Algae Index

  • Vikash Kumar Mishra,
  • James Falconer,
  • Amit Kumar Mishra,
  • Fred Nicolls and
  • Stephen Paine

23 August 2025

Algal blooms are ecological phenomena with long-lasting effects on the ecosystem and on the climate. Often, they reduce the oxygen level underwater, creating adverse circumstances for aquatic species’ survival, development, and reproduction. In...

  • Article
  • Open Access
54 Citations
9,600 Views
27 Pages

5 June 2015

Dongting Lake, the second largest freshwater lake in China, is well known for its rapid seasonal fluctuations in inundation extents in the middle reach of the Yangtze River, and it is also the lake most affected by the Three Gorges Project. Significa...

  • Data Descriptor
  • Open Access
1,233 Views
27 Pages

13 August 2025

Data from earth observation satellites provide unique and valuable information about water quality conditions in freshwater lakes but require significant processing before they can be used, even with the use of tools like Google Earth Engine. We use...

  • Article
  • Open Access
34 Citations
5,149 Views
21 Pages

13 May 2020

In recent years, the use of image fusion method has received increasing attention in remote sensing, vegetation cover changes, vegetation indices (VIs) mapping, etc. For making high-resolution and good quality (with low-cost) VI mapping from a fused...

  • Article
  • Open Access
119 Citations
15,055 Views
30 Pages

10 January 2021

Wildfires are major natural disasters negatively affecting human safety, natural ecosystems, and wildlife. Timely and accurate estimation of wildfire burn areas is particularly important for post-fire management and decision making. In this regard, R...

  • Article
  • Open Access
19 Citations
9,687 Views
20 Pages

20 August 2016

The Chobe River Basin (CRB), a sub-basin of the Upper Zambezi Basin shared by Namibia and Botswana, is a complex hydrologic system that lies at the center of the world’s largest transfrontier conservation area. Despite its regional importance for liv...

  • Article
  • Open Access
43 Citations
8,283 Views
21 Pages

Comparison of Methods to Estimate Lake-Surface-Water Temperature Using Landsat 7 ETM+ and MODIS Imagery: Case Study of a Large Shallow Subtropical Lake in Southern Brazil

  • Matheus Henrique Tavares,
  • Augusto Hugo Farias Cunha,
  • David Motta-Marques,
  • Anderson Luís Ruhoff,
  • J. Rafael Cavalcanti,
  • Carlos Ruberto Fragoso,
  • Juan Martín Bravo,
  • Andrés Mauricio Munar,
  • Fernando Mainardi Fan and
  • Lucia Helena Ribeiro Rodrigues

18 January 2019

Water temperature regulates many processes in lakes; therefore, evaluating it is essential to understand its ecological status and functioning, and to comprehend the impact of climate change. Although few studies assessed the accuracy of individual s...

  • Technical Note
  • Open Access
7 Citations
3,580 Views
11 Pages

3 October 2022

A neglected dimension of the fire regime concept is fire patchiness. Habitat mosaics that emerge from the grain of burned and unburned patches (pyrodiversity) are critical for the persistence of a diverse range of plant and animal species. This issue...

  • Article
  • Open Access
9 Citations
3,622 Views
17 Pages

30 September 2020

Currently particulate matter (PM) is one of the major threats to public health and safety in urban areas such as Seoul, South Korea. The limited amount of air-quality monitoring systems may not provide sufficient data or coverage, in particular on th...

  • Article
  • Open Access
45 Citations
7,678 Views
19 Pages

Investigating Live Fuel Moisture Content Estimation in Fire-Prone Shrubland from Remote Sensing Using Empirical Modelling and RTM Simulations

  • Eva Marino,
  • Marta Yebra,
  • Mariluz Guillén-Climent,
  • Nur Algeet,
  • José Luis Tomé,
  • Javier Madrigal,
  • Mercedes Guijarro and
  • Carmen Hernando

14 July 2020

Previous research has demonstrated that remote sensing can provide spectral information related to vegetation moisture variations essential for estimating live fuel moisture content (LFMC), but accuracy and timeliness still present challenges to usin...

  • Article
  • Open Access
59 Citations
11,078 Views
22 Pages

30 December 2013

Sea eutrophication is a natural process of water enrichment caused by increased nutrient loading that severely affects coastal ecosystems by decreasing water quality. The degree of eutrophication can be assessed by chlorophyll-a concentration. This s...

  • Article
  • Open Access
4 Citations
3,350 Views
23 Pages

15 March 2023

Here we investigate properties of ocean eddies in the key Arctic region of the northern Greenland Sea and the Fram Strait using visible and infrared Moderate Resolution Imaging Spectroradiometer (MODIS) Aqua data acquired from April to September in 2...

  • Article
  • Open Access
4 Citations
3,456 Views
26 Pages

10 March 2021

Estimating water reflectance accurately from satellite optical data requires implementing an accurate atmospheric correction (AC) scheme, a particularly challenging task over optically complex water bodies, where the signal that comes from the water...

  • Article
  • Open Access
4 Citations
3,829 Views
27 Pages

TATSSI: A Free and Open-Source Platform for Analyzing Earth Observation Products with Quality Data Assessment

  • Inder Tecuapetla-Gómez,
  • Gerardo López-Saldaña,
  • María Isabel Cruz-López and
  • Rainer Ressl

Earth observation (EO) data play a crucial role in monitoring ecosystems and environmental processes. Time series of satellite data are essential for long-term studies in this context. Working with large volumes of satellite data, however, can still...

  • Article
  • Open Access
52 Citations
6,718 Views
25 Pages

Improved DisTrad for Downscaling Thermal MODIS Imagery over Urban Areas

  • Wiesam Essa,
  • Boud Verbeiren,
  • Johannes Van der Kwast and
  • Okke Batelaan

1 December 2017

Spaceborne thermal sensors provide important physical parameters for urban studies. However, due to technical constraints, spaceborne thermal sensors yield a trade-off between their spatial and temporal resolution. The aims of this study are (1) to d...

  • Article
  • Open Access
18 Citations
3,592 Views
18 Pages

30 October 2022

The aboveground biomass (AGB) of a forest is an important indicator of the forest’s terrestrial carbon storage and its relation to climate change. Due to the advantage of extensive spatial coverage and low cost, coarse-resolution remote sensing...

  • Article
  • Open Access
8 Citations
3,447 Views
13 Pages

On the Prediction of Upwelling Events at the Colombian Caribbean Coasts from Modis-SST Imagery

  • José J. Alonso del Rosario,
  • Juan M. Vidal Pérez and
  • Elizabeth Blázquez Gómez

27 June 2019

The upwelling cores on the Caribbean Colombian coasts are mainly located at the Peninsula de la Guajira and Cabo de la Aguja. We used monthly averaged Moderate Resolution Imaging Spectroradiometer (MODIS) sea surface temperature as the only informati...

  • Article
  • Open Access
42 Citations
5,581 Views
14 Pages

5 July 2019

The estimation of aboveground biomass (AGB), an important indicator of grassland production, is crucial for evaluating livestock carrying capacity, understanding the response and feedback to climate change, and achieving sustainable development. Most...

  • Article
  • Open Access
12 Citations
7,688 Views
20 Pages

Operational Actual Wetland Evapotranspiration Estimation for South Florida Using MODIS Imagery

  • Cristobal N. Ceron,
  • Assefa M. Melesse,
  • René Price,
  • Shimelis B. Dessu and
  • Hari P. Kandel

26 March 2015

Evapotranspiration is a reliable indicator of wetland health. Wetlands are an important and valuable ecosystem on the South Florida landscape. Accurate wetland Actual Evapotranspiration (AET) data can be used to evaluate the performance of South Flor...

  • Article
  • Open Access
13 Citations
4,014 Views
22 Pages

9 July 2021

Lake ice phenology is a climate-sensitive indicator. However, ground-based monitoring suffers from the limitations of human vision and the difficulty of its implementation in harsh environments. Remote sensing provides great potential to detect lake...

  • Article
  • Open Access
7 Citations
2,447 Views
14 Pages

15 September 2023

Cyclones are a key disturbance in mangrove ecosystems, but it is challenging to assess post-storm impacts over large areas, along with the recovery of these systems at broad temporal scales. Given the high frequency of these events in the Sundarbans...

  • Article
  • Open Access
20 Citations
5,460 Views
14 Pages

3 March 2017

Daily maximum surface air temperature (Tamax) is a crucial factor for understanding complex land surface processes under rapid climate change. Remote detection of Tamax has widely relied on the empirical relationship between air temperature and land...

  • Article
  • Open Access
17 Citations
6,872 Views
26 Pages

15 July 2014

The purpose of this study is to assess the performance of an adaptive model (AM) in estimating chlorophyll‑a concentration (Chl‑a) in optically complex inland waters. Chl‑a modeling using remote sensing data is usually based on a single model that ge...

  • Article
  • Open Access
7 Citations
4,408 Views
18 Pages

Assessing the Impact of Wildlife on Vegetation Cover Change, Northeast Namibia, Based on MODIS Satellite Imagery (2002–2021)

  • Augustine-Moses Gaavwase Gbagir,
  • Colgar Sisamu Sikopo,
  • Kenneth Kamwi Matengu and
  • Alfred Colpaert

25 May 2022

Human–wildlife conflict in the Zambezi region of northeast Namibia is well documented, but the impact of wildlife (e.g., elephants) on vegetation cover change has not been adequately addressed. Here, we assessed human–wildlife interaction...

  • Article
  • Open Access
36 Citations
13,758 Views
25 Pages

Mapping Flooded Rice Paddies Using Time Series of MODIS Imagery in the Krishna River Basin, India

  • Pardhasaradhi Teluguntla,
  • Dongryeol Ryu,
  • Biju George,
  • Jeffrey P. Walker and
  • Hector M. Malano

13 July 2015

Rice is one of the major crops cultivated predominantly in flooded paddies, thus a large amount of water is consumed during its growing season. Accurate paddy rice maps are therefore important inputs for improved estimates of actual evapotranspiratio...

  • Article
  • Open Access
22 Citations
5,214 Views
18 Pages

5 June 2018

Landsat and MODIS data have been widely utilized in many remote sensing applications, however, the trade-off between the spatial resolution and temporal frequency has limited their capacities in monitoring detailed spatio-temporal dynamics. Spatio-te...

  • Article
  • Open Access
54 Citations
7,038 Views
23 Pages

1 August 2022

Vegetation is the main component of the terrestrial Earth, and it plays an imperative role in carbon cycle regulation and surface water/energy exchange/balance. The coupled effects of climate change and anthropogenic forcing have undoubtfully impacte...

  • Article
  • Open Access
3 Citations
2,465 Views
28 Pages

A Multitemporal and Multilevel Land Surface Temperature Regional Attribute Change Analysis in Henan, China, Using MODIS Imagery

  • Zongze Zhao,
  • Bingke Sun,
  • Gang Cheng,
  • Cheng Wang,
  • Na Yang,
  • Hongtao Wang and
  • Xiaojie Tang

14 August 2022

Temperature is an important aspect of land–atmosphere studies and plays a key role in urban environmental change. With the continuous development of satellite remote sensing sensors, remote sensing technology has become an important means of ob...

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