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4,440 Results Found

  • Article
  • Open Access
76 Citations
6,551 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
89 Citations
12,680 Views
21 Pages

Making Landsat Time Series Consistent: Evaluating and Improving Landsat Analysis Ready Data

  • Shi Qiu,
  • Yukun Lin,
  • Rong Shang,
  • Junxue Zhang,
  • Lei Ma and
  • Zhe Zhu

29 December 2018

Recently, the United States Geological Survey (USGS) has released a new dataset, called Landsat Analysis Ready Data (ARD), which is designed specifically for facilitating time series analysis. In this study, we evaluated the temporal consistency of t...

  • Article
  • Open Access
399 Citations
25,193 Views
19 Pages

Analysis Ready Data: Enabling Analysis of the Landsat Archive

  • John L. Dwyer,
  • David P. Roy,
  • Brian Sauer,
  • Calli B. Jenkerson,
  • Hankui K. Zhang and
  • Leo Lymburner

28 August 2018

Data that have been processed to allow analysis with a minimum of additional user effort are often referred to as Analysis Ready Data (ARD). The ability to perform large scale Landsat analysis relies on the ability to access observations that are geo...

  • Article
  • Open Access
16 Citations
5,379 Views
23 Pages

4 August 2020

Land surface temperature (LST) is a critical state variable of land surface energy equilibrium and a key indicator of environmental change such as climate change, urban heat island, and freezing-thawing hazard. The high spatial and temporal resolutio...

  • Technical Note
  • Open Access
261 Citations
21,891 Views
21 Pages

10 May 2019

Ever increasing data volumes of satellite constellations call for multi-sensor analysis ready data (ARD) that relieve users from the burden of all costly preprocessing steps. This paper describes the scientific software FORCE (Framework for Operation...

  • Article
  • Open Access
226 Citations
27,307 Views
24 Pages

Landsat Analysis Ready Data for Global Land Cover and Land Cover Change Mapping

  • Peter Potapov,
  • Matthew C. Hansen,
  • Indrani Kommareddy,
  • Anil Kommareddy,
  • Svetlana Turubanova,
  • Amy Pickens,
  • Bernard Adusei,
  • Alexandra Tyukavina and
  • Qing Ying

29 January 2020

The multi-decadal Landsat data record is a unique tool for global land cover and land use change analysis. However, the large volume of the Landsat image archive and inconsistent coverage of clear-sky observations hamper land cover monitoring at larg...

  • Feature Paper
  • Article
  • Open Access
36 Citations
9,014 Views
14 Pages

31 January 2018

The recently available Landsat Analysis Ready Data (ARD) are provided as top of atmosphere (TOA) and atmospherically corrected (surface) reflectance tiled products and are designed to make the U.S. Landsat archive for the United States straightforwar...

  • Article
  • Open Access
11 Citations
3,214 Views
22 Pages

6 March 2024

In the face of global ocean warming, monitoring essential climate variables from space is necessary for understanding regional trends in ocean dynamics and their subsequent impacts on ecosystem health. Analysis Ready Data (ARD), being preprocessed sa...

  • Article
  • Open Access
49 Citations
12,371 Views
20 Pages

9 September 2015

An approach to remove clouds in Landsat-8 operational land imager (OLI) data was developed with independent component analysis (ICA). Within cloud-covered areas, histograms were derived to quantify changes of the reflectance values before and after t...

  • Article
  • Open Access
30 Citations
8,061 Views
21 Pages

Gap Filling for Historical Landsat NDVI Time Series by Integrating Climate Data

  • Wentao Yu,
  • Jing Li,
  • Qinhuo Liu,
  • Jing Zhao,
  • Yadong Dong,
  • Xinran Zhu,
  • Shangrong Lin,
  • Hu Zhang and
  • Zhaoxing Zhang

29 January 2021

High-quality Normalized Difference Vegetation Index (NDVI) time series are essential in studying vegetation phenology, dynamic monitoring, and global change. Gap filling is the most important issue in reconstructing NDVI time series from satellites w...

  • Article
  • Open Access
62 Citations
9,410 Views
15 Pages

19 May 2018

Drylands are the habitat and source of livelihood for about two fifths of the world’s population and are highly susceptible to climate and anthropogenic change. To understand the vulnerability of drylands to changing environmental conditions, l...

  • Article
  • Open Access
151 Citations
14,781 Views
22 Pages

Classification and Mapping of Paddy Rice by Combining Landsat and SAR Time Series Data

  • Seonyoung Park,
  • Jungho Im,
  • Seohui Park,
  • Cheolhee Yoo,
  • Hyangsun Han and
  • Jinyoung Rhee

12 March 2018

Rice is an important food resource, and the demand for rice has increased as population has expanded. Therefore, accurate paddy rice classification and monitoring are necessary to identify and forecast rice production. Satellite data have been often...

  • Article
  • Open Access
125 Citations
14,367 Views
13 Pages

A Method for Robust Estimation of Vegetation Seasonality from Landsat and Sentinel-2 Time Series Data

  • Per Jönsson,
  • Zhanzhang Cai,
  • Eli Melaas,
  • Mark A. Friedl and
  • Lars Eklundh

19 April 2018

Time series from Landsat and Sentinel-2 satellites have great potential for modeling vegetation seasonality. However, irregular time sampling and frequent data loss due to clouds, snow, and short growing seasons, makes this modeling a challenge. We d...

  • Article
  • Open Access
17 Citations
3,524 Views
25 Pages

Comparison of Lake Area Extraction Algorithms in Qinghai Tibet Plateau Leveraging Google Earth Engine and Landsat-9 Data

  • Xusheng Li,
  • Donghui Zhang,
  • Chenchen Jiang,
  • Yingjun Zhao,
  • Hu Li,
  • Donghua Lu,
  • Kai Qin,
  • Donghua Chen,
  • Yufeng Liu and
  • Saisai Liu
  • + 1 author

15 September 2022

Monitoring the lake waterbody area in the Qinghai–Tibet Plateau (QTP) is significant in dealing with global climate change. The latest released Landsat-9 data, which has higher radiation resolution and can be complemented with other Landsat dat...

  • Article
  • Open Access
25 Citations
11,306 Views
18 Pages

24 March 2015

The satellite-derived growing season time-integrated Normalized Difference Vegetation Index (GSN) has been used as a proxy for vegetation biomass productivity. The 250-m GSN data estimated from the Moderate Resolution Imaging Spectroradiometer (MODIS...

  • Technical Note
  • Open Access
124 Citations
10,813 Views
13 Pages

Comparison of Three Methods for Estimating Land Surface Temperature from Landsat 8-TIRS Sensor Data

  • Vicente García-Santos,
  • Joan Cuxart,
  • Daniel Martínez-Villagrasa,
  • Maria Antònia Jiménez and
  • Gemma Simó

11 September 2018

After Landsat 8 was launched in 2013, it was observed that for Thermal Infrared sensor (TIRS) bands, radiance from outside of an instrument’s field-of-view produced a non-uniform ghost signal across the focal plane that varied depending on the out-of...

  • Article
  • Open Access
7 Citations
5,698 Views
16 Pages

Planform Changes in the Lower Mahaweli River, Sri Lanka Using Landsat Satellite Data

  • Vindhya Basnayaka,
  • Jayanga T. Samarasinghe,
  • Miyuru B. Gunathilake,
  • Nitin Muttil and
  • Upaka Rathnayake

3 October 2022

Major development projects along rivers, like reservoirs and other hydraulic structures, have changed not only river discharges but also sediment transport. Thus, changes in river planforms can be observed in such rivers. In addition, river centerlin...

  • Article
  • Open Access
38 Citations
6,777 Views
20 Pages

Automated Extraction of Built-Up Areas by Fusing VIIRS Nighttime Lights and Landsat-8 Data

  • Chang Liu,
  • Kang Yang,
  • Mia M. Bennett,
  • Ziyan Guo,
  • Liang Cheng and
  • Manchun Li

2 July 2019

As the world urbanizes and builds more infrastructure, the extraction of built-up areas using remote sensing is crucial for monitoring land cover changes and understanding urban environments. Previous studies have proposed a variety of methods for ma...

  • Article
  • Open Access
28 Citations
5,834 Views
20 Pages

Long-Term Change of the Secchi Disk Depth in Lake Maninjau, Indonesia Shown by Landsat TM and ETM+ Data

  • Fajar Setiawan,
  • Bunkei Matsushita,
  • Rossi Hamzah,
  • Dalin Jiang and
  • Takehiko Fukushima

3 December 2019

Most of the lakes in Indonesia are facing environmental problems such as eutrophication, sedimentation, and depletion of dissolved oxygen. The water quality data for supporting lake management in Indonesia are very limited due to financial constraint...

  • Article
  • Open Access
87 Citations
13,647 Views
29 Pages

25 September 2012

The overarching goal of this research was to develop and demonstrate an automated Cropland Classification Algorithm (ACCA) that will rapidly, routinely, and accurately classify agricultural cropland extent, areas, and characteristics (e.g., irrigated...

  • Article
  • Open Access
15 Citations
4,440 Views
21 Pages

Assessing the Accuracy of Landsat-MODIS NDVI Fusion with Limited Input Data: A Strategy for Base Data Selection

  • Yiting Wang,
  • Donghui Xie,
  • Yinggang Zhan,
  • Huan Li,
  • Guangjian Yan and
  • Yuanyuan Chen

14 January 2021

Despite its wide applications, the spatiotemporal fusion of coarse- and fine-resolution satellite images is limited primarily to the availability of clear-sky fine-resolution images, which are commonly scarce due to unfavorable weather, and such a li...

  • Article
  • Open Access
79 Citations
15,103 Views
20 Pages

Soil Clay Content Mapping Using a Time Series of Landsat TM Data in Semi-Arid Lands

  • Marouen Shabou,
  • Bernard Mougenot,
  • Zohra Lili Chabaane,
  • Christian Walter,
  • Gilles Boulet,
  • Nadhira Ben Aissa and
  • Mehrez Zribi

15 May 2015

Clay content (fraction < 2 µm) is one of the most important soil properties. It controls soil hydraulic properties like wilting point, field capacity and saturated hydraulic conductivity, which in turn control the various fluxes of water in the un...

  • Article
  • Open Access
390 Citations
30,349 Views
15 Pages

31 July 2009

Classifying remote sensing imageries to obtain reliable and accurate land use and land cover (LULC) information still remains a challenge that depends on many factors such as complexity of landscape, the remote sensing data selected, image processing...

  • Article
  • Open Access
16 Citations
3,990 Views
21 Pages

29 June 2023

Forest stock volume (FSV) is a key indicator for measuring forest quality, evaluating forest management capabilities, and the main factor for evaluating forest carbon sequestration levels. In this study, to achieve an accurate estimation of FSV, we u...

  • Article
  • Open Access
6 Citations
2,012 Views
23 Pages

31 October 2024

In the face of global population growth and climate change, the protection and rational utilization of cropland are crucial for food security and ecological balance. However, the complex topography and unique ecological environment of the Qinghai-Tib...

  • Article
  • Open Access
418 Citations
24,506 Views
22 Pages

10 April 2015

The successful launch of the Landsat 8 satellite with two thermal infrared bands on February 11, 2013, for continuous Earth observation provided another opportunity for remote sensing of land surface temperature (LST). However, calibration notices is...

  • Article
  • Open Access
14 Citations
3,498 Views
14 Pages

17 September 2020

The Landsat 8 satellites have retrieved land surface temperature (LST) resampled at a 30-m spatial resolution since 2013, but the urban climate studies frequently use a limited number of images due to the problems related to missing data over the cit...

  • Article
  • Open Access
62 Citations
9,786 Views
19 Pages

21 February 2019

The Landsat Analysis Ready Data (ARD) are designed to make the U.S. Landsat archive straightforward to use. In this paper, the availability of the Landsat 4 and 5 Thematic Mapper (TM) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+) ARD over the co...

  • Article
  • Open Access
8 Citations
2,992 Views
17 Pages

Dynamics of Forest Vegetation in an Urban Agglomeration Based on Landsat Remote Sensing Data for the Period 1990–2022: A Case Study

  • Elena Petrovna Yankovich,
  • Ksenia Stanislavovna Yankovich and
  • Nikolay Viktorovich Baranovskiy

4 April 2023

In recent years, the vegetation cover in urban agglomerations has been changing very rapidly due to technogenic influence. Satellite images play a huge role in studying the dynamics of forest vegetation. Special programs are used to process satellite...

  • Article
  • Open Access
133 Citations
18,963 Views
21 Pages

Regional Crop Gross Primary Productivity and Yield Estimation Using Fused Landsat-MODIS Data

  • Mingzhu He,
  • John S. Kimball,
  • Marco P. Maneta,
  • Bruce D. Maxwell,
  • Alvaro Moreno,
  • Santiago Beguería and
  • Xiaocui Wu

28 February 2018

Accurate crop yield assessments using satellite remote sensing-based methods are of interest for regional monitoring and the design of policies that promote agricultural resiliency and food security. However, the application of current vegetation pro...

  • Article
  • Open Access
40 Citations
9,456 Views
19 Pages

20 October 2015

Lake Clark is an important nursery lake for sockeye salmon (Oncorhynchus nerka) in the headwaters of Bristol Bay, Alaska, the most productive wild salmon fishery in the world. Reductions in water clarity within Alaska lake systems as a result of incr...

  • Article
  • Open Access
143 Citations
15,607 Views
20 Pages

Automatic Land-Cover Mapping using Landsat Time-Series Data based on Google Earth Engine

  • Shuai Xie,
  • Liangyun Liu,
  • Xiao Zhang,
  • Jiangning Yang,
  • Xidong Chen and
  • Yuan Gao

15 December 2019

The Google Earth Engine (GEE) has emerged as an essential cloud-based platform for land-cover classification as it provides massive amounts of multi-source satellite data and high-performance computation service. This paper proposed an automatic land...

  • Article
  • Open Access
20 Citations
9,628 Views
19 Pages

A Quantitative Assessment of Forest Cover Change in the Moulouya River Watershed (Morocco) by the Integration of a Subpixel-Based and Object-Based Analysis of Landsat Data

  • Fernando J. Aguilar,
  • Abderrahim Nemmaoui,
  • Manuel A. Aguilar,
  • Mimoun Chourak,
  • Yassine Zarhloule and
  • Andrés M. García Lorca

15 January 2016

A quantitative assessment of forest cover change in the Moulouya River watershed (Morocco) was carried out by means of an innovative approach from atmospherically corrected reflectance Landsat images corresponding to 1984 (Landsat 5 Thematic Mapper)...

  • Article
  • Open Access
14 Citations
5,976 Views
16 Pages

9 April 2020

The recently released Landsat analysis ready data (ARD) over the United States provides the opportunity to investigate landscape dynamics using dense time series observations at 30-m resolution. However, the dataset often contains data gaps (or missi...

  • Article
  • Open Access
20 Citations
8,549 Views
16 Pages

Monitoring Deforestation at Sub-Annual Scales as Extreme Events in Landsat Data Cubes

  • Eliakim Hamunyela,
  • Jan Verbesselt,
  • Sytze De Bruin and
  • Martin Herold

11 August 2016

Current methods for monitoring deforestation from satellite data at sub-annual scales require pixel time series to have many historical observations in the reference period to model normal forest dynamics before detecting deforestation. However, in s...

  • Article
  • Open Access
10 Citations
4,379 Views
50 Pages

19 June 2021

Water temperature is a key element of freshwater ecological systems and a critical element within natural resource monitoring programs. In the absence of in situ measurements, remote sensing platforms can indirectly measure water temperature over tim...

  • Article
  • Open Access
28 Citations
7,749 Views
23 Pages

Time Series Analysis of Landsat Data for Investigating the Relationship between Land Surface Temperature and Forest Changes in Paphos Forest, Cyprus

  • Vassilis Andronis,
  • Vassilia Karathanassi,
  • Victoria Tsalapati,
  • Polychronis Kolokoussis,
  • Milto Miltiadou and
  • Chistos Danezis

18 February 2022

This study aims to investigate how alternations of the land surface temperature (LST) affects the normalized difference vegetation index (NDVI) in Paphos forest, Cyprus, using Landsat-5 and Landsat-8 imagery for the time periods 1993–2000 and 2...

  • Article
  • Open Access
17 Citations
4,019 Views
22 Pages

A Robust Method for Generating High-Spatiotemporal-Resolution Surface Reflectance by Fusing MODIS and Landsat Data

  • Junming Yang,
  • Yunjun Yao,
  • Yongxia Wei,
  • Yuhu Zhang,
  • Kun Jia,
  • Xiaotong Zhang,
  • Ke Shang,
  • Xiangyi Bei and
  • Xiaozheng Guo

18 July 2020

The methods for accurately fusing medium- and high-spatial-resolution satellite reflectance are vital for monitoring vegetation biomass, agricultural irrigation, ecological processes and climate change. However, the currently existing fusion methods...

  • Article
  • Open Access
10 Citations
3,307 Views
15 Pages

12 July 2023

To effectively monitor the spatio–temporal dynamics of the surface water extent (SWE) in Lake Victoria, this study introduced a novel methodology for generating a seamless SWE time series with fine resolution by integrating daily a Moderate-res...

  • Article
  • Open Access
15 Citations
3,502 Views
12 Pages

Phenological Analysis of Sub-Alpine Forest on Jeju Island, South Korea, Using Data Fusion of Landsat and MODIS Products

  • Sang-Jin Park,
  • Seung-Gyu Jeong,
  • Yong Park,
  • Sang-Hyuk Kim,
  • Dong-Kun Lee,
  • Yong-Won Mo,
  • Dong-Seok Jang and
  • Kyung-Min Park

2 March 2021

Climate change poses a disproportionate risk to alpine ecosystems. Effective monitoring of forest phenological responses to climate change is critical for predicting and managing threats to alpine populations. Remote sensing can be used to monitor fo...

  • Article
  • Open Access
102 Citations
13,683 Views
21 Pages

24 December 2015

Accurate monitoring of grassland biomass at high spatial and temporal resolutions is important for the effective utilization of grasslands in ecological and agricultural applications. However, current remote sensing data cannot simultaneously provide...

  • Article
  • Open Access
72 Citations
10,876 Views
21 Pages

29 November 2019

Mangrove forests play a global role in providing ecosystem goods and services in addition to acting as carbon sinks, and are particularly vulnerable to climate change effects such as rising sea levels and increased salinity. For this reason, accurate...

  • Article
  • Open Access
50 Citations
7,717 Views
18 Pages

Extrapolating Forest Canopy Fuel Properties in the California Rim Fire by Combining Airborne LiDAR and Landsat OLI Data

  • Mariano García,
  • Sassan Saatchi,
  • Angeles Casas,
  • Alexander Koltunov,
  • Susan L. Ustin,
  • Carlos Ramirez and
  • Heiko Balzter

22 April 2017

Accurate, spatially explicit information about forest canopy fuel properties is essential for ecosystem management strategies for reducing the severity of forest fires. Airborne LiDAR technology has demonstrated its ability to accurately map canopy f...

  • Article
  • Open Access
26 Citations
5,324 Views
19 Pages

14 September 2019

Despite increasing the number of studies for mapping remote sensing insect-induced forest infestations, applying novel approaches for mapping and identifying its triggers are still developing. This study was accomplished to test the performance of Ge...

  • Article
  • Open Access
4 Citations
3,123 Views
19 Pages

16 December 2024

Land surface temperature (LST) plays a pivotal role in many environmental sectors. Unfortunately, thermal bands produced by instruments that are onboard satellites have limited spatial resolutions; this seriously impairs their potential usefulness. I...

  • Article
  • Open Access
22 Citations
4,172 Views
18 Pages

Spatiotemporal Evolution of Urban Expansion Using Landsat Time Series Data and Assessment of Its Influences on Forests

  • Meng Zhang,
  • Huaqiang Du,
  • Fangjie Mao,
  • Guomo Zhou,
  • Xuejian Li,
  • Luofan Dong,
  • Junlong Zheng,
  • Di’en Zhu,
  • Hua Liu and
  • Shaobai He
  • + 1 author

Analysis of urban land use dynamics is essential for assessing ecosystem functionalities and climate change impacts. The focus of this study is on monitoring the characteristics of urban expansion in Hang-Jia-Hu and evaluating its influences on fores...

  • Article
  • Open Access
11 Citations
8,171 Views
28 Pages

10 December 2012

An approach based on the nearest neighbors techniques is presented for producing thematic maps of forest cover (forest/non-forest) and total stand volume for the Terai region in southern Nepal. To create the forest cover map, we used a combination of...

  • Article
  • Open Access
30 Citations
7,307 Views
21 Pages

Crop type information at the field level is vital for many types of research and applications. The United States Department of Agriculture (USDA) provides information on crop types for US cropland as a Cropland Data Layer (CDL). However, CDL is only...

  • Article
  • Open Access
21 Citations
7,164 Views
20 Pages

8 September 2024

Long revisit intervals and cloud susceptibility have restricted the applicability of earth observation satellites in surface water studies. Integrating multiple satellites offers potential for more frequent observations, yet combining different satel...

  • Article
  • Open Access
68 Citations
17,184 Views
21 Pages

MAD-MEX: Automatic Wall-to-Wall Land Cover Monitoring for the Mexican REDD-MRV Program Using All Landsat Data

  • Steffen Gebhardt,
  • Thilo Wehrmann,
  • Miguel Angel Muñoz Ruiz,
  • Pedro Maeda,
  • Jesse Bishop,
  • Matthias Schramm,
  • Rene Kopeinig,
  • Oliver Cartus,
  • Josef Kellndorfer and
  • Michael Schmidt
  • + 2 authors

30 April 2014

Estimating forest area at a national scale within the United Nations program of Reducing Emissions from Deforestation and Forest Degradation (REDD) is primarily based on land cover information using remote sensing technologies. Timely delivery for a...

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