Explanipedia

A simple analytical model for the reflection function of flat glacier ice surfaces and its application for optical remote sensing of glaciers Open

Alexander Kokhanovsky, Lou-Anne Chevrollier, Adrien Wehrlé, Karl Segl, Sabine Chabrillat · 2025

Scattering Optics of Glacier Ice Open

Alexander Kokhanovsky, Lou-Anne Chevrollier, Adrien Wehrlé, Karl Segl, Sabine Chabrillat · 2025

The EnMAP spaceborne imaging spectroscopy mission: Initial scientific results two years after launch Open

Sabine Chabrillat, Saskia Foerster, Karl Segl, Alison Beamish, Maximilian Brell , et al. · 2024

Imaging spectroscopy has been a recognized and established remote sensing technology since the 1980s, mainly using airborne and field-based platforms to identify and quantify key bio- and geo-chemical surface and atmospheric compounds, bas…

The two-layered radiative transfer model for snow reflectance and its application to remote sensing of the Antarctic snow surface from space Open

Alexander Kokhanovsky, Maximilian Brell, Karl Segl, Dmitry Efremenko, Boyan Petkov , et al. · 2024

The two-LAyered snow Radiative Transfer (LART) model has been proposed for snow remote sensing applications. It is based on analytical approximations of the radiative transfer theory. The geometrical optics approximation has been used to d…

SNOWTRAN: a software package for the solution of direct and inverse problems of snow optics Open

Alexander Kokhanovsky, Maximillian Brell, Karl Segl, Sabine Chabrillat · 2024

We present a software suite SNOWTRAN aimed at the solution of forward and inverse problems of snow optics. The numerical procedure is based on the approximate solutions of the radiative transfer equation and the geometrical optics approxim…

SNOWTRAN: A Fast Radiative Transfer Model for Polar Hyperspectral Remote Sensing Applications Open

Alexander Kokhanovsky, Maximilian Brell, Karl Segl, Sabine Chabrillat · 2024

In this work, we develop a software suite for studies of atmosphere–underlying SNOW-spaceborne optical receiver light TRANsmission calculations (SNOWTRAN) with applications for the solution of forward and inverse radiative transfer problem…

SNOWTRAN: A Fast UV-VNIR-SWIR Radiative Transfer Model for Polar Hyperspectral Remote Sensing Applications Open

Alexander Kokhanovsky, Maximillian Brell, Karl Segl, Sabine Chabriallat · 2024

In this work, we develop a software suite for studies of atmosphere – underlying SNOW- spaceborne optical receiver light TRANsmission calculations (SNOWTRAN) with applications for the solution of forward and inverse radiative transfe…

First Retrievals of Surface and Atmospheric Properties Using EnMAP Measurements over Antarctica Open

Alexander Kokhanovsky, Maximillian Brell, Karl Segl, Giovanni Bianchini, Christian Lanconelli , et al. · 2023

The paper presents the first retrievals of clean snow properties using spaceborne hyperspectral observations via the Environmental Mapping and Analysis Program (EnMAP). The location close to the Concordia station at the Dome C Plateau (Ant…

The EnMAP imaging spectroscopy mission towards operations Open

Tobias Storch, Hans‐Peter Honold, Sabine Chabrillat, Martin Habermeyer, Paul Tucker , et al. · 2023

First Retrievals of Surface and Atmospheric Properties Using EnMAP Measurements over Antarctica Open

Alexander Kokhanovsky, Maximillian Brell, Karl Segl, Giovanni Bianchini, Christian Lanconelli , et al. · 2023

The paper presents the first retrievals of clean snow properties using spaceborne hyperspectral The Environmental Mapping and Analysis Program (EnMAP) observations. The location close to the Dome C in Antarctica has been selected. At this …

Examining the sensitivity of simulated EnMAP data for estimating chlorophyll-a and total suspended solids in inland waters Open

Mohammadmehdi Saberioon, Vahid Khosravi, Jakub Brom, Asa Gholizadeh, Karl Segl · 2023

Our study investigates the capability of the environmental mapping and analysis program (EnMAP) scenes simulated using the EnMAP end-to-end simulator software (EeteS) based on the AISA Eagle airborne data to predict chlorophyll-a (Chl-a) a…

Retrieval of snow grain size and albedo using EnMAP spaceborne observations Open

Alexander Kokhanovsky, Maximillian Brell, Sabine Chabrillat, Saskia Förster, Karl Segl · 2023

Cryosphere is an integral part of the terrestrial ecosystem with important linkages and feedbacks generated through its influence on moisture fluxes, hydrology, and climate change due to temporal changes in snow/ice extent, impurity load a…

MDAS: a new multimodal benchmark dataset for remote sensing Open

Jingliang Hu, Rong Liu, Danfeng Hong, Andrés Camero, Jing Yao , et al. · 2023

In Earth observation, multimodal data fusion is an intuitive strategy to break the limitation of individual data. Complementary physical contents of data sources allow comprehensive and precise information retrieval. With current satellite…

Comment on essd-2022-155 Open

Jingliang Hu, Rong Liu, Danfeng Hong, AndrÃ©s Camero, Jing Yao , et al. · 2022

Abstract. In Earth observation, multimodal data fusion is an intuitive strategy to break the limitation of individual data. Complementary physical contents of data sources allow comprehensive and precise information retrie…

Comment on essd-2022-155 Open

Jingliang Hu, Rong Liu, Danfeng Hong, AndrÃ©s Camero, Jing Yao , et al. · 2022

Abstract. In Earth observation, multimodal data fusion is an intuitive strategy to break the limitation of individual data. Complementary physical contents of data sources allow comprehensive and precise information retrie…

MDAS: A New Multimodal Benchmark Dataset for Remote Sensing Open

Jingliang Hu, Rong Liu, Danfeng Hong, Andrés Camero, Jing Yao , et al. · 2022

In Earth observation, multimodal data fusion is an intuitive strategy to break the limitation of individual data. Complementary physical contents of data sources allow comprehensive and precise information retrieve. With current satellite …

Implications of new hyperspectral satellites for raw materials exploration Open

Martin C. Schodlok, Michaela Frei, Karl Segl · 2022

Hyperspectral remote sensing already is important in geoscientific research in the fields of geology, soil, exploration and mining. New hyperspectral satellite systems are already in operation (e.g. PRISMA and DESIS; Caporusso et al. 2020;…

Retrieving Chl-a and total suspended solids in in-land waters using EnMAP simulated data Open

Mohammadmehdi Saberioon, Vahid Khosravi, Jakub Brom, Asa Gholizadeh, Karl Segl · 2022

The Environmental Mapping and analysis program (EnMAP) is a new Earth observation satellite which will use imaging spectroscopy to obtain a diagnostic characterisation of the Earth's surface and record changes. Since we hypothesis that ima…

Satellite-based survey of extreme methane emissions in the Permian basin Open

Itziar Irakulis‐Loitxate, Luis Guanter, Yinnian Liu, Daniel J. Varon, Joannes D. Maasakkers , et al. · 2021

An unexpectedly high number of extreme methane plumes is detected in the Permian basin with new satellite technology.

Satellite-based characterization of methane point sources in the Permian Basin Open

Itziar Irakulis‐Loitxate, Luis Guanter, Yinnian Liu, Daniel J. Varon, Joannes D. Maasakkers , et al. · 2021

<p>The Permian Basin is known for its extensive oil and gas production, which has increased rapidly in recent years becoming the largest producing basin in the United States. It is also responsible for almost half of the methane emis…

Demmin, Germany (October 2015) - An EnMAP Preparatory Flight Campaign Open

Maximilian Brell, Daniel Spengler, Thomas Ruhtz, Kathrin Ward, Sabine Chabrillat , et al. · 2020

The dataset is composed of Hyspex (VNIR/SWIR) hyperspectral imagery acquired during airplane overflights on October 1, 2015 within the Demmin Research Area. The acquisition conditions were cloud free. The dataset includes two mosaics gener…

Coupled retrieval of the three phases of water from spaceborne imaging spectroscopy measurements Open

Niklas Bohn, Luis Guanter, Theres Kuester, René Preusker, Karl Segl · 2020

Combining hyperspectral remote sensing and eddy covariance data streams for estimation of vegetation functional traits Open

Javier Pacheco‐Labrador, Tarek S. El‐Madany, M. Pilar Martín, Rosario González-Cascón, Arnaud Carrara , et al. · 2020

Remote Sensing (RS) has traditionally provided estimates of key biophysical properties controlling light interaction with the canopy (e.g., chlorophyll content (Cab) or leaf area index (LAI)). However, recent and upcoming developments in h…

Coupled Retrieval of the Three Phases of Water from Spaceborne Imaging Spectroscopy Measurements Open

Niklas Bohn, Theres Kuester, Karl Segl, Luis Guanter, René Preusker · 2019

Measurements of reflected solar radiation by imaging spectrometers allow to quantify water in different states (solid, liquid, gas) thanks to the discriminative absorption lines in the solar spectrum. We developed a retrieval method to qua…

3D hyperspectral point cloud generation: Fusing airborne laser scanning and hyperspectral imaging sensors for improved object-based information extraction Open

Maximilian Brell, Karl Segl, Luis Guanter, Bodo Bookhagen · 2019

GeoMultiSens: Scalable Multi-Sensor Analysis Platform for Remote Sensing Data Open

Mike Sips, Doris Dransch, Daniel Eggert, Johann-Christoph Freytag, André Hollstein , et al. · 2018

GeoMultiSens developed an integrated processing pipeline to support the analysis of homogenized data from various remote sensing archives. The processing pipeline has five main components: (1) visual assessment of remote sensing Earth obse…

AROSICS: An Automated and Robust Open-Source Image Co-Registration Software for Multi-Sensor Satellite Data Open

Daniel Scheffler, André Hollstein, Hannes Diedrich, Karl Segl, Patrick Hostert · 2017

Geospatial co-registration is a mandatory prerequisite when dealing with remote sensing data. Inter- or intra-sensoral misregistration will negatively affect any subsequent image analysis, specifically when processing multi-sensoral or mul…

A Satellite-Based Imaging Instrumentation Concept for Hyperspectral Thermal Remote Sensing Open

Thomas Udelhoven, Martin Schlerf, Karl Segl, Kaniska Mallick, Christian Bossung , et al. · 2017

This paper describes the concept of the hyperspectral Earth-observing thermal infrared (TIR) satellite mission HiTeSEM (High-resolution Temperature and Spectral Emissivity Mapping). The scientific goal is to measure specific key variables …

Satellitenfernerkundung von Landoberflächen – Beginn einer neuen Ära Open

D. Spengler, Robert Behling, Sabine Chabrillat, Hannes Diedrich, D. Dransch , et al. · 2017

Satellite remote sensing offers the possibility to continuously, globally collect information about Earth’s surface properties, and thus possesses an enormous scientific and economic potential. The spatio-temporal recording of information …

Ready-to-Use Methods for the Detection of Clouds, Cirrus, Snow, Shadow, Water and Clear Sky Pixels in Sentinel-2 MSI Images Open

André Hollstein, Karl Segl, Luis Guanter, Maximilian Brell, Marta Enesco · 2016

Classification of clouds, cirrus, snow, shadows and clear sky areas is a crucial step in the pre-processing of optical remote sensing images and is a valuable input for their atmospheric correction. The Multi-Spectral Imager on board the S…

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