K. M. Marks
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View article: Comparison of Stacked Sentinel‐3 A&B and AltiKa Repeat Cycle Data
Comparison of Stacked Sentinel‐3 A&B and AltiKa Repeat Cycle Data Open
Sentinel‐3 A&B radar altimeters yield sea surface height measurements in both a high‐precision Synthetic Aperture Radar Mode (SARM), and a Pseudo‐Low Resolution Mode (PLRM). We stacked repeat cycles from both missions and in both modes to …
View article: Comparison of Stacked Sentinel-3 A&B and AltiKa Repeat Cycle Data
Comparison of Stacked Sentinel-3 A&B and AltiKa Repeat Cycle Data Open
Earth and Space Science Open Archive This work has been accepted for publication in Earth and Space Science. Version of RecordESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary. Learn more abo…
View article: The Global Distribution of Small Seamounts along SARAL/AltiKa Altimeter Tracks
The Global Distribution of Small Seamounts along SARAL/AltiKa Altimeter Tracks Open
Seamounts can be habitats and hazards to submarine navigation, and their distribution reveals the volcanic history of the oceans. As only a few percent of ocean floor has been sounded, seamount distribution must be mapped by satellite alti…
View article: The IHO-IOC GEBCO Cook Book.
The IHO-IOC GEBCO Cook Book. Open
GEBCO aims to provide the most authoritative publicly available bathymetric data sets for the world's oceans. In order to assist and encourage further participation in bathymetric grid development work, GEBCO has created a technical refere…
View article: A Method of Stacking AltiKa Repeat Cycle Data that May Reveal 75,000+ Possible Small Seamounts
A Method of Stacking AltiKa Repeat Cycle Data that May Reveal 75,000+ Possible Small Seamounts Open
The SARAL AltiKa radar altimeter measured sea surface height along ground tracks that were regularly revisited by repeating cycles. We devised an automated method of “stacking” the repeat cycles that aligns them to common positions along a…
View article: Twenty-Five Years of Progress in Sea Floor Mapping by Satellite Altimetry
Twenty-Five Years of Progress in Sea Floor Mapping by Satellite Altimetry Open
Although ships equipped with deep-water multi-beam echo-sounding (MBES) swath mapping systems and satellite (GPS) navigation have been around for the last 25 years, they rarely collect data in unexplored ocean areas. The most accurate and …
View article: Marine Gravity Field Mapping from Altimetry – Advancement with 2nd Generation Altimeters
Marine Gravity Field Mapping from Altimetry – Advancement with 2nd Generation Altimeters Open
Until the launch of Cryosat in 2010 the only geodetic data available for deriving high resolution marine gravity fields were the 1985 Geosat GM and 1995 ERS-1 phases E and F. Geodesists therefore spent the better of 15 years improving thes…
View article: Airline Flight Paths over the Unmapped Ocean
Airline Flight Paths over the Unmapped Ocean Open
An assessment of ocean depth knowledge underneath commercial airline routes shows just how much of the seafloor remains "terra incognita."
View article: Detecting small seamounts in AltiKa repeat cycle data
Detecting small seamounts in AltiKa repeat cycle data Open
We present a technique of stacking repeat cycles of satellite altimeter sea surface height profiles that lowers the noise and improves the resolution of small seamounts. Our approach differs from other studies because it uses the median (n…