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Remote Sensing, Volume 13, Issue 5

2021 March-1 - 214 articles

Cover Story: Sea surface temperature (SST) is a fundamental property of the ocean surface and one of the first ocean variables to be studied using satellites. Quantifying the accuracy and precision of satellite SST data requires comparing it with in-situ data. In nearshore coastal waters this is not well known, owing to a lack of in-situ data. Here, we compare a Smartfin, a surfboard fin designed to measure ocean temperature in the nearshore, with an infrared SST autonomous radiometer (ISAR) and an underway oceanographic temperature sensor (UOTS) on an expedition through the Atlantic Ocean. We found a mean absolute difference between Smartfin and UOTS of ­0.06 K and Smartfin and ISAR of 0.12 K. Differences were related to sampling depth and environmental variability. Results add confidence to the use of Smartfin as a tool for satellite validation. View this paper
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Articles (214)

  • Article
  • Open Access
27 Citations
7,213 Views
18 Pages

Dynamics of Vibrio cholerae in a Typical Tropical Lake and Estuarine System: Potential of Remote Sensing for Risk Mapping

  • Abdulaziz Anas,
  • Kiran Krishna,
  • Syamkumar Vijayakumar,
  • Grinson George,
  • Nandini Menon,
  • Gemma Kulk,
  • Jasmin Chekidhenkuzhiyil,
  • Angelo Ciambelli,
  • Hridya Kuttiyilmemuriyil Vikraman and
  • Shubha Sathyendranath
  • + 5 authors

9 March 2021

Vibrio cholerae, the bacterium responsible for the disease cholera, is a naturally-occurring bacterium, commonly found in many natural tropical water bodies. In the context of the U.N. Sustainable Development Goals (SDG) targets on health (Goal 3), w...

  • Article
  • Open Access
23 Citations
5,109 Views
20 Pages

UAV-Based Estimate of Snow Cover Dynamics: Optimizing Semi-Arid Forest Structure for Snow Persistence

  • Adam Belmonte,
  • Temuulen Sankey,
  • Joel Biederman,
  • John Bradford,
  • Scott Goetz and
  • Thomas Kolb

9 March 2021

Seasonal snow cover in the dry forests of the American West provides essential water resources to both human and natural systems. The structure of trees and their arrangement across the landscape are important drivers of snow cover distribution acros...

  • Article
  • Open Access
26 Citations
4,839 Views
20 Pages

The Effect of Forest Mask Quality in the Wall-to-Wall Estimation of Growing Stock Volume

  • Elia Vangi,
  • Giovanni D’Amico,
  • Saverio Francini,
  • Francesca Giannetti,
  • Bruno Lasserre,
  • Marco Marchetti,
  • Ronald E. McRoberts and
  • Gherardo Chirici

9 March 2021

Information about forest cover and its characteristics are essential in national and international forest inventories, monitoring programs, and reporting activities. Two of the most common forest variables needed to support sustainable forest managem...

  • Article
  • Open Access
28 Citations
6,191 Views
22 Pages

9 March 2021

Precipitation data provide a crucial input for examining hydrological issues, including watershed management and mitigation of the effects of floods, drought, and landslides. However, they are collected frequently from the scarce and often insufficie...

  • Article
  • Open Access
25 Citations
6,874 Views
30 Pages

Applying Close Range Non-Destructive Techniques for the Detection of Conservation Problems in Rock-Carved Cultural Heritage Sites

  • William Frodella,
  • Mikheil Elashvili,
  • Daniele Spizzichino,
  • Giovanni Gigli,
  • Akaki Nadaraia,
  • Giorgi Kirkitadze,
  • Luka Adikashvili,
  • Claudio Margottini,
  • Nikoloz Antidze and
  • Nicola Casagli

9 March 2021

Rock-carved cultural heritage sites are often developed in slopes formed by weak rocks, which due to their peculiar lithological, geotechnical, and morpho-structural features are characterized by excellent carvability, which at the same time makes th...

  • Article
  • Open Access
8 Citations
4,092 Views
15 Pages

The Horizontal Distribution of Branch Biomass in European Beech: A Model Based on Measurements and TLS Based Proxies

  • César Pérez-Cruzado,
  • Christoph Kleinn,
  • Paul Magdon,
  • Juan Gabriel Álvarez-González,
  • Steen Magnussen,
  • Lutz Fehrmann and
  • Nils Nölke

9 March 2021

Forest biomass is currently among the most important and most researched target variables in forest monitoring. The common approach of observing individual tree biomass in forest inventory is to assign the total tree biomass to the dimensionless poin...

  • Article
  • Open Access
13 Citations
4,222 Views
22 Pages

9 March 2021

The detection of low stratus and fog (LSF) at dawn remains limited because of their optical features and weak solar radiation. LSF could be better identified by simultaneous observations of two geostationary satellites from different viewing angles....

  • Article
  • Open Access
74 Citations
11,584 Views
27 Pages

Deriving Water Quality Parameters Using Sentinel-2 Imagery: A Case Study in the Sado Estuary, Portugal

  • Giulia Sent,
  • Beatriz Biguino,
  • Luciane Favareto,
  • Joana Cruz,
  • Carolina Sá,
  • Ana Inés Dogliotti,
  • Carla Palma,
  • Vanda Brotas and
  • Ana C. Brito

9 March 2021

Monitoring water quality parameters and their ecological effects in transitional waters is usually performed through in situ sampling programs. These are expensive and time-consuming, and often do not represent the total area of interest. Remote sens...

  • Article
  • Open Access
4 Citations
3,972 Views
21 Pages

Examining Relationships between Heat Requirement of Remotely Sensed Green-Up Date and Meteorological Indicators in the Hulun Buir Grassland

  • Jian Guo,
  • Xiuchun Yang,
  • Fan Chen,
  • Jianming Niu,
  • Sha Luo,
  • Min Zhang,
  • Yunxiang Jin,
  • Ge Shen,
  • Ang Chen and
  • Bin Xu
  • + 2 authors

9 March 2021

The accumulation of heat and moderate precipitation are the primary factors that are used by grasslands to trigger a green-up date. The accumulated growing degree-days (AGDD) requirement over the preseason is an important indicator of the response of...

  • Article
  • Open Access
11 Citations
6,918 Views
18 Pages

8 March 2021

Remote sensing (RS) technology, which can facilitate the sustainable management and development of fisheries, is easily accessible and exhibits high performance. It only requires the collection of sufficient information, establishment of databases an...

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Remote Sens. - ISSN 2072-4292