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Remote Sensing, Volume 9, Issue 12

December 2017 - 134 articles

Cover Story: Release of methane (CH4) from the Arctic can affect global climate. Predicting future CH4 emissions remains challenging because Arctic landscapes are characterized by high spatial heterogeneity with vegetation types, environmental conditions, and CH4 fluxes varying substantially over the meter scale. This large spatial heterogeneity requires the use of high resolution remote sensing imagery to upscale the chamber measurements to the ecosystem scale eddy covariance (EC) tower measurements. However, there is still disagreement on the methodologies used to perform this upscaling. We show that high resolution vegetation maps can be successfully integrated into both a simple upscaling technique and a more sophisticated footprint modelling analysis, and that these upscaled chamber-based CH4 fluxes using both methods showed good agreement with the EC flux estimates. View this paper
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Articles (134)

  • Article
  • Open Access
49 Citations
6,550 Views
22 Pages

Real-Time Tropospheric Delays Retrieved from Multi-GNSS Observations and IGS Real-Time Product Streams

  • Cuixian Lu,
  • Xinghan Chen,
  • Gen Liu,
  • Galina Dick,
  • Jens Wickert,
  • Xinyuan Jiang,
  • Kai Zheng and
  • Harald Schuh

15 December 2017

The multi-constellation Global Navigation Satellite Systems (GNSS) offers promising potential for the retrieval of real-time (RT) atmospheric parameters to support time-critical meteorological applications, such as nowcasting or regional short-term f...

  • Article
  • Open Access
59 Citations
10,446 Views
14 Pages

UAV Remote Sensing Surveillance of a Mine Tailings Impoundment in Sub-Arctic Conditions

  • Anssi Rauhala,
  • Anne Tuomela,
  • Corine Davids and
  • Pekka M. Rossi

15 December 2017

Mining typically involves extensive areas where environmental monitoring is spatially sporadic. New remote sensing techniques and platforms such as Structure from Motion (SfM) and unmanned aerial vehicles (UAVs) may offer one solution for more compre...

  • Article
  • Open Access
29 Citations
7,210 Views
17 Pages

15 December 2017

To prevent potentially unsuitable activities during vegetation restoration, it is important to examine the impact of historical restoration activities on the target ecological system to inform future restoration policies. Taking the Loess Plateau of...

  • Article
  • Open Access
53 Citations
15,337 Views
26 Pages

Radiometric Correction of Simultaneously Acquired Landsat-7/Landsat-8 and Sentinel-2A Imagery Using Pseudoinvariant Areas (PIA): Contributing to the Landsat Time Series Legacy

  • Joan-Cristian Padró,
  • Xavier Pons,
  • David Aragonés,
  • Ricardo Díaz-Delgado,
  • Diego García,
  • Javier Bustamante,
  • Lluís Pesquer,
  • Cristina Domingo-Marimon,
  • Òscar González-Guerrero and
  • Jordi Cristóbal
  • + 2 authors

15 December 2017

The use of Pseudoinvariant Areas (PIA) makes it possible to carry out a reasonably robust and automatic radiometric correction for long time series of remote sensing imagery, as shown in previous studies for large data sets of Landsat MSS, TM, and ET...

  • Article
  • Open Access
15 Citations
7,198 Views
13 Pages

15 December 2017

A total of 168 fully polarimetric synthetic-aperture radar (SAR) images are selected together with the buoy measurements of ocean surface wind fields and high-frequency radar measurements of ocean surface currents. Our objective is to investigate the...

  • Article
  • Open Access
30 Citations
7,877 Views
21 Pages

14 December 2017

Sub-pixel offset tracking has been used in various applications, including measurements of glacier movement, earthquakes, landslides, etc., as a complementary method to time series InSAR. In this work, we explore the use of a small baseline subset (S...

  • Technical Note
  • Open Access
18 Citations
6,426 Views
24 Pages

14 December 2017

Month-to-month air temperature (Tair) surfaces are increasingly demanded to feed quantitative models related to a wide range of fields, such as hydrology, ecology or climate change studies. Geostatistical interpolation techniques provide such continu...

  • Article
  • Open Access
260 Citations
39,226 Views
27 Pages

14 December 2017

Modern advances in cloud computing and machine-leaning algorithms are shifting the manner in which Earth-observation (EO) data are used for environmental monitoring, particularly as we settle into the era of free, open-access satellite data streams....

  • Article
  • Open Access
181 Citations
17,627 Views
21 Pages

Tracking Dynamic Northern Surface Water Changes with High-Frequency Planet CubeSat Imagery

  • Sarah W. Cooley,
  • Laurence C. Smith,
  • Leon Stepan and
  • Joseph Mascaro

13 December 2017

Recent deployments of CubeSat imagers by companies such as Planet may advance hydrological remote sensing by providing an unprecedented combination of high temporal and high spatial resolution imagery at the global scale. With approximately 170 CubeS...

  • Article
  • Open Access
31 Citations
7,773 Views
23 Pages

Big Data and Multiple Methods for Mapping Small Reservoirs: Comparing Accuracies for Applications in Agricultural Landscapes

  • Sarah K. Jones,
  • Alexander K. Fremier,
  • Fabrice A. DeClerck,
  • David Smedley,
  • Aline Ortega Pieck and
  • Mark Mulligan

13 December 2017

Whether or not reservoirs contain water throughout the dry season is critical to avoiding late season crop failure in seasonally-arid agricultural landscapes. Locations, volumes, and temporal dynamics, particularly of small (<1 Mm3) reservoirs are...

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Remote Sens. - ISSN 2072-4292