Airborne LiDAR: state-of-the-art of system design, technology and application

X Li, C Liu, Z Wang, X Xie, D Li… - Measurement Science and …, 2020 - iopscience.iop.org
In the last two decades, airborne LiDAR, as an active remote sensing technique, has
emerged as one of the most effective and reliable means of 3D point clouds collection. This …

[HTML][HTML] Changes of water clarity in large lakes and reservoirs across China observed from long-term MODIS

S Wang, J Li, B Zhang, Z Lee, E Spyrakos… - Remote Sensing of …, 2020 - Elsevier
Water clarity is a well-established first-order indicator of water quality and has been used
globally by water regulators in their monitoring and management programs. Assessments of …

A review of Secchi's contribution to marine optics and the foundation of Secchi disk science

J Pitarch - Oceanography, 2020 - JSTOR
Angelo Secchi was an astrophysicist and a pioneer in the use of spectroscopy in that field
and also contributed to meteorology and geodesy. His only contribution to oceanography …

Widespread decrease in chromophoric dissolved organic matter in Chinese lakes derived from satellite observations

Z Zhao, K Shi, Y Peng, W Wang, L Lai, Y Zhang… - Remote Sensing of …, 2023 - Elsevier
Chromophoric dissolved organic matter (CDOM) can significantly influence underwater light
fields, nutrient availability, and microbial activity; thus, it plays an essential role in physical …

Centennial decline in North Sea water clarity causes strong delay in phytoplankton bloom timing

AF Opdal, C Lindemann, DL Aksnes - Global Change Biology, 2019 - Wiley Online Library
With climate warming, a widespread expectation is that events in spring, such as flowering,
bird migrations, and insect bursts, will occur earlier because of increasing temperature. At …

Tracking freshwater browning and coastal water darkening from boreal forests to the Arctic Ocean

AF Opdal, T Andersen, DO Hessen… - Limnology and …, 2023 - Wiley Online Library
The forest cover of Northern Europe has been steadily expanding during the last 120 years.
More terrestrial vegetation and carbon fixation leads to more export to surface waters. This …

Color, chlorophyll a, and suspended solids effects on Secchi depth in lakes: implications for trophic state assessment

PL Brezonik, RW Bouchard Jr, JC Finlay… - Ecological …, 2019 - Wiley Online Library
Secchi depth (SD), a primary metric to assess trophic state, is controlled in many lakes by
algal densities, measured as chlorophyll‐a (chl‐a) concentration. Two other optically related …

[HTML][HTML] Towards global long-term water transparency products from the Landsat archive

DA Maciel, N Pahlevan, CCF Barbosa… - Remote Sensing of …, 2023 - Elsevier
Abstract Secchi Disk Depth (Z sd) is one of the most fundamental and widely used water-
quality indicators quantifiable via optical remote sensing. Despite decades of research …

An improved algorithm for estimating the Secchi disk depth from remote sensing data based on the new underwater visibility theory

D Jiang, B Matsushita, F Setiawan, A Vundo - ISPRS journal of …, 2019 - Elsevier
The Secchi disk depth (Z SD) is a widely used parameter for evaluating water clarity. Here
we propose an improved algorithm, which is based on a new underwater visibility theory, for …

Increased dominance of terrestrial component in dissolved organic matter in Chinese lakes

Z Zhao, K Shi, Y Zhang, Y Zhou, B Qin - Water Research, 2024 - Elsevier
The source composition of chromophoric dissolved organic matter (CDOM) in lakes is
closely related to regional environmental changes, human activities, and the carbon cycle …