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Remote Sensing, Volume 12, Issue 9

May-1 2020 - 180 articles

Cover Story: Tropical forests store globally significant amounts of carbon as aboveground biomass (AGB). Light detection and ranging (LiDAR) and optical wavelength data are increasingly being used to map tree height and to estimate AGB. In the tropics, cloud cover is prevalent, and so several years of satellite data may need to be considered. This may reduce mapping accuracy because of seasonal and interannual changes in forest reflectance. The sensitivity of tree height and AGB estimation derived using airborne LiDAR data with respect to the season of Landsat acquisition was examined. The quantitative results suggest that using a single cloud-free Landsat-8 image may be sufficient for dominant canopy height and AGB mapping, but that use of Landsat imagery from different seasons is preferred for improving Congo Basin forest inventories.View this paper.
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Articles (180)

  • Feature Paper
  • Article
  • Open Access
38 Citations
7,788 Views
25 Pages

Estimating Stem Volume in Eucalyptus Plantations Using Airborne LiDAR: A Comparison of Area- and Individual Tree-Based Approaches

  • Rodrigo Vieira Leite,
  • Cibele Hummel do Amaral,
  • Raul de Paula Pires,
  • Carlos Alberto Silva,
  • Carlos Pedro Boechat Soares,
  • Renata Paulo Macedo,
  • Antonilmar Araújo Lopes da Silva,
  • Eben North Broadbent,
  • Midhun Mohan and
  • Hélio Garcia Leite

9 May 2020

Forest plantations are globally important for the economy and are significant for carbon sequestration. Properly managing plantations requires accurate information about stand timber stocks. In this study, we used the area (ABA) and individual tree (...

  • Letter
  • Open Access
15 Citations
5,296 Views
13 Pages

9 May 2020

We studied the influence of the statistical properties of soil moisture changes on the Interferometric Synthetic Aperture Radar (InSAR) coherence and closure phase to determine whether the InSAR coherence and closure phase can be used to estimate soi...

  • Article
  • Open Access
91 Citations
9,470 Views
21 Pages

9 May 2020

Although plastic pollution is one of the most noteworthy environmental issues nowadays, there is still a knowledge gap in terms of monitoring the spatial distribution of plastics, which is needed to prevent its negative effects and to plan mitigation...

  • Article
  • Open Access
32 Citations
4,618 Views
20 Pages

Retrieval of Secchi Disk Depth in Turbid Lakes from GOCI Based on a New Semi-Analytical Algorithm

  • Shuai Zeng,
  • Shaohua Lei,
  • Yunmei Li,
  • Heng Lyu,
  • Jiafeng Xu,
  • Xianzhang Dong,
  • Rui Wang,
  • Ziqian Yang and
  • Jianchao Li

9 May 2020

The accurate remote estimation of the Secchi disk depth (ZSD) in turbid waters is essential in the monitoring the ecological environment of lakes. Using the field measured ZSD and the remote sensing reflectance (Rrs(λ)) data, a new semi-analyt...

  • Article
  • Open Access
113 Citations
12,544 Views
33 Pages

An UAV and Satellite Multispectral Data Approach to Monitor Water Quality in Small Reservoirs

  • Carmen Cillero Castro,
  • Jose Antonio Domínguez Gómez,
  • Jordi Delgado Martín,
  • Boris Alejandro Hinojo Sánchez,
  • Jose Luis Cereijo Arango,
  • Federico Andrés Cheda Tuya and
  • Ramon Díaz-Varela

9 May 2020

A multi-sensor and multi-scale monitoring tool for the spatially explicit and periodic monitoring of eutrophication in a small drinking water reservoir is presented. The tool was built with freely available satellite and in situ data combined with Un...

  • Article
  • Open Access
1 Citations
3,716 Views
31 Pages

9 May 2020

Understanding how delta islands grow and change at contemporary, interannual timescales remains a key scientific goal and societal need, but the high-resolution, high frequency morphodynamic data that would be most useful for this are as yet logistic...

  • Article
  • Open Access
20 Citations
4,536 Views
17 Pages

Nonlinear Relationship Between the Yield of Solar-Induced Chlorophyll Fluorescence and Photosynthetic Efficiency in Senescent Crops

  • Leizhen Liu,
  • Wenhui Zhao,
  • Qiu Shen,
  • Jianjun Wu,
  • Yanguo Teng,
  • Jianhua Yang,
  • Xinyi Han and
  • Feng Tian

9 May 2020

It has been demonstrated that solar-induced chlorophyll fluorescence (SIF) is linearly related to the primary production of photosynthesis (GPP) in various ecosystems. However, it is unknown whether such linear relationships have been established in...

  • Article
  • Open Access
86 Citations
12,170 Views
21 Pages

9 May 2020

Canopy height serves as a good indicator of forest carbon content. Remote sensing-based direct estimations of canopy height are usually based on Light Detection and Ranging (LiDAR) or Synthetic Aperture Radar (SAR) interferometric data. LiDAR data is...

  • Article
  • Open Access
72 Citations
5,418 Views
31 Pages

9 May 2020

Small target detection is a crucial technique that restricts the performance of many infrared imaging systems. In this paper, a novel detection model of infrared small target via non-convex tensor rank surrogate joint local contrast energy (NTRS) is...

  • Review
  • Open Access
255 Citations
24,601 Views
26 Pages

8 May 2020

Low-altitude remote sensing (RS) using unmanned aerial vehicles (UAVs) is a powerful tool in precision agriculture (PA). In that context, thermal RS has many potential uses. The surface temperature of plants changes rapidly under stress conditions, w...

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Remote Sens. - ISSN 2072-4292