Matches in SemOpenAlex for { <https://semopenalex.org/work/W4322002687> ?p ?o ?g. }
Showing items 1 to 86 of
86
with 100 items per page.
- W4322002687 abstract "The current generation of Synthetic Aperture Radars (SAR) has a high potential to retrieve surface soil moisture (SSM) at a kilometer-scale resolution. Research has shown that a change detection approach applied to the backscatter from the Sentinel-1 mission was able to yield a consistent kilometer-scale SSM product over Europe. This product is operational and available on the Copernicus Global Land Service (CGLS) website (https://land.copernicus.eu/global/). A known problem of the CGLS algorithm is its reduced performance over areas with dense vegetation. The combined influence of vegetation water content and geometry on the backscatter signal results in a lower sensitivity to SSM. This effect is especially observed over woody vegetation such as broadleaved or coniferous forests. In addition, a wet bias is detected in the CGLS SSM data during the growing season over land cover with seasonal variation of vegetation.This study utilizes the native resolution of Sentinel-1 in its interferometric wide swath mode (20x22m), resampled to a 20m pixel spacing, to assess three dense vegetation masks over Europe. The masks are derived from forest/tree cover maps based on Sentinel-1, Sentinel-2, or a combination of both. At 20m, the backscatter pixels are selectively filtered to discard the ones flagged as non-soil moisture sensitive. The masked backscatter at 20m sampling is then resampled to a kilometer scale and used as input for the CGLS change detection model algorithm. The resulting SSM product is compared to in-situ stations from the International Soil Moisture Network (ISMN) and with modeled soil moisture from ERA5-Land. The results sug gest that masking dense vegetation consistently improves the SSM signal over regions containing both forested areas, and croplands or grasslands.This study highlights the potential of masking non-soil moisture sensitive pixels at the native resolution of the Sentinel-1 backscatter. The results demonstrate the ability of high-resolution forest masking to mitigate the effect of dense vegetation on the CGLS SSM product." @default.
- W4322002687 created "2023-02-26" @default.
- W4322002687 creator A5011289501 @default.
- W4322002687 creator A5012993980 @default.
- W4322002687 creator A5014382146 @default.
- W4322002687 creator A5033747033 @default.
- W4322002687 creator A5053286823 @default.
- W4322002687 creator A5061832135 @default.
- W4322002687 creator A5066754586 @default.
- W4322002687 date "2023-05-15" @default.
- W4322002687 modified "2023-09-30" @default.
- W4322002687 title "Mitigating the impact of dense vegetation on theSentinel-1 surface soil moisture over Europe" @default.
- W4322002687 doi "https://doi.org/10.5194/egusphere-egu23-12269" @default.
- W4322002687 hasPublicationYear "2023" @default.
- W4322002687 type Work @default.
- W4322002687 citedByCount "0" @default.
- W4322002687 crossrefType "posted-content" @default.
- W4322002687 hasAuthorship W4322002687A5011289501 @default.
- W4322002687 hasAuthorship W4322002687A5012993980 @default.
- W4322002687 hasAuthorship W4322002687A5014382146 @default.
- W4322002687 hasAuthorship W4322002687A5033747033 @default.
- W4322002687 hasAuthorship W4322002687A5053286823 @default.
- W4322002687 hasAuthorship W4322002687A5061832135 @default.
- W4322002687 hasAuthorship W4322002687A5066754586 @default.
- W4322002687 hasConcept C106131492 @default.
- W4322002687 hasConcept C127313418 @default.
- W4322002687 hasConcept C140779682 @default.
- W4322002687 hasConcept C142724271 @default.
- W4322002687 hasConcept C187320778 @default.
- W4322002687 hasConcept C18903297 @default.
- W4322002687 hasConcept C205649164 @default.
- W4322002687 hasConcept C24939127 @default.
- W4322002687 hasConcept C2776133958 @default.
- W4322002687 hasConcept C2778755073 @default.
- W4322002687 hasConcept C2780648208 @default.
- W4322002687 hasConcept C30354325 @default.
- W4322002687 hasConcept C31972630 @default.
- W4322002687 hasConcept C39432304 @default.
- W4322002687 hasConcept C41008148 @default.
- W4322002687 hasConcept C4792198 @default.
- W4322002687 hasConcept C555944384 @default.
- W4322002687 hasConcept C58640448 @default.
- W4322002687 hasConcept C62649853 @default.
- W4322002687 hasConcept C71924100 @default.
- W4322002687 hasConcept C76155785 @default.
- W4322002687 hasConcept C86803240 @default.
- W4322002687 hasConcept C87360688 @default.
- W4322002687 hasConceptScore W4322002687C106131492 @default.
- W4322002687 hasConceptScore W4322002687C127313418 @default.
- W4322002687 hasConceptScore W4322002687C140779682 @default.
- W4322002687 hasConceptScore W4322002687C142724271 @default.
- W4322002687 hasConceptScore W4322002687C187320778 @default.
- W4322002687 hasConceptScore W4322002687C18903297 @default.
- W4322002687 hasConceptScore W4322002687C205649164 @default.
- W4322002687 hasConceptScore W4322002687C24939127 @default.
- W4322002687 hasConceptScore W4322002687C2776133958 @default.
- W4322002687 hasConceptScore W4322002687C2778755073 @default.
- W4322002687 hasConceptScore W4322002687C2780648208 @default.
- W4322002687 hasConceptScore W4322002687C30354325 @default.
- W4322002687 hasConceptScore W4322002687C31972630 @default.
- W4322002687 hasConceptScore W4322002687C39432304 @default.
- W4322002687 hasConceptScore W4322002687C41008148 @default.
- W4322002687 hasConceptScore W4322002687C4792198 @default.
- W4322002687 hasConceptScore W4322002687C555944384 @default.
- W4322002687 hasConceptScore W4322002687C58640448 @default.
- W4322002687 hasConceptScore W4322002687C62649853 @default.
- W4322002687 hasConceptScore W4322002687C71924100 @default.
- W4322002687 hasConceptScore W4322002687C76155785 @default.
- W4322002687 hasConceptScore W4322002687C86803240 @default.
- W4322002687 hasConceptScore W4322002687C87360688 @default.
- W4322002687 hasLocation W43220026871 @default.
- W4322002687 hasOpenAccess W4322002687 @default.
- W4322002687 hasPrimaryLocation W43220026871 @default.
- W4322002687 hasRelatedWork W1574556281 @default.
- W4322002687 hasRelatedWork W2104277036 @default.
- W4322002687 hasRelatedWork W2126095845 @default.
- W4322002687 hasRelatedWork W2161197664 @default.
- W4322002687 hasRelatedWork W2167059547 @default.
- W4322002687 hasRelatedWork W2901594254 @default.
- W4322002687 hasRelatedWork W2904402004 @default.
- W4322002687 hasRelatedWork W2984477328 @default.
- W4322002687 hasRelatedWork W3186966513 @default.
- W4322002687 hasRelatedWork W4321792241 @default.
- W4322002687 isParatext "false" @default.
- W4322002687 isRetracted "false" @default.
- W4322002687 workType "article" @default.