selected publications
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academic article
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Acceleration of global vegetation greenup from combined effects of climate change and human land management.
Global Change Biology.
24.
2018
Coupling of ecosystem-scale plant water storage and leaf phenology observed by satellite.
Nature Ecology & Evolution.
2.
2018
Disaggregation of SMOS soil moisture over West Africa using the Temperature and Vegetation Dryness Index based on SEVIRI land surface parameters.
Remote Sensing of Environment.
206.
2018
Does grazing cause land degradation? Evidence from the sandy Ferlo in Northern Senegal.
Land Degradation and Development.
29.
2018
Ecological restoration enhances ecosystem health in the karst regions of southwest China.
Ecological Indicators.
90.
2018
Effect of climate dataset selection on simulations of terrestrial GPP: Highest uncertainty for tropical regions.
PLoS ONE.
13.
2018
Impacts of the seasonal distribution of rainfall on vegetation productivity across the Sahel.
Biogeosciences.
15.
2018
Increased vegetation growth and carbon stock in China karst via ecological engineering.
Nature Sustainability.
1.
2018
Integration of Vessel-Based Hyperspectral Scanning and 3D-Photogrammetry for Mobile Mapping of Steep Coastal Cliffs in the Arctic.
Remote Sensing.
10.
2018
Leaf phenology of thirteen African origins of baobab (Adansonia digitata (L.)) as influenced by daylength and water availability.
Ecology and Evolution.
8.
2018
Major forest increase on the Loess Plateau, China (2001–2016).
Land Degradation and Development.
29.
2018
Reduction of tree cover in West African woodlands and promotion in semi-arid farmlands.
Nature Geoscience.
11.
2018
Satellite passive microwaves reveal recent climate-induced carbon losses in African drylands.
Nature Ecology & Evolution.
2.
2018
Satellite‐Observed Major Greening and Biomass Increase in South China Karst During Recent Decade.
Earth's Future.
6.
2018
Snow cover and snow albedo changes in the central Andes of Chile and Argentina from daily MODIS observations (2000–2016).
Remote Sensing of Environment.
209.
2018
Uncertainty in establishing forest reference levels and predicting future forest-based carbon stocks for REDD+.
Journal of Land Use Science.
13.
2018
Assessment of Textural Differentiations in Forest Resources in Romania Using Fractal Analysis.
Forests.
8.
2017
Climate data induced uncertainty in model-based estimations of terrestrial primary productivity.
Environmental Research Letters.
12.
2017
Comparison of the spatial patterns of schistosomiasis in Zimbabwe at two points in time, spaced twenty-nine years apart: is climate variability of importance?.
Geospatial Health.
12.
2017
Evaluation of the Plant Phenology Index (PPI), NDVI and EVI for Start-of-Season Trend Analysis of the Northern Hemisphere Boreal Zone.
Remote Sensing.
9.
2017
Human population growth offsets climate-driven increase in woody vegetation in sub-Saharan Africa.
Nature Ecology & Evolution.
1.
2017
Mangrove forest decline: consequences for livelihoods and environment in South Sulawesi.
Regional Environmental Change.
17.
2017
Mapping gains and losses in woody vegetation across global tropical drylands.
Global Change Biology.
23.
2017
Modeling and assessment of wavelength displacements of characteristic absorption features of common rock forming minerals encrusted by lichens.
Remote Sensing of Environment.
199.
2017
Modelling spatial and temporal dynamics of gross primary production in the Sahel from earth-observation-based photosynthetic capacity and quantum efficiency.
Biogeosciences.
14.
2017
Monitoring Agricultural Expansion in Burkina Faso over 14 Years with 30 m Resolution Time Series: The Role of Population Growth and Implications for the Environment.
Remote Sensing.
9.
2017
Quantifying the effectiveness of ecological restoration projects on long-term vegetation dynamics in the karst regions of Southwest China.
International Journal of Applied Earth Observation and Geoinformation.
54.
2017
Revisiting the coupling between NDVI trends and cropland changes in the Sahel drylands: A case study in western Niger.
Remote Sensing of Environment.
191.
2017
Soil and vegetation-atmosphere exchange of NO, NH3, and N2O from field measurements in a semi arid grazed ecosystem in Senegal.
Atmospheric Environment.
156.
2017
Temporal Changes in Coupled Vegetation Phenology and Productivity are Biome-Specific in the Northern Hemisphere.
Remote Sensing.
9.
2017
Understanding ‘saturation’ of radar signals over forests.
Scientific Reports.
7.
2017
Using Fractal Analysis in Modeling the Dynamics of Forest Areas and Economic Impact Assessment: Maramureș County, Romania, as a Case Study.
Forests.
8.
2017
Using long-term daily satellite based rainfall data (1983–2015) to analyze spatio-temporal changes in the sahelian rainfall regime.
Journal of Hydrology.
550.
2017
Woody Vegetation Die off and Regeneration in Response to Rainfall Variability in the West African Sahel.
Remote Sensing.
9.
2017
A Review of the Application of Optical and Radar Remote Sensing Data Fusion to Land Use Mapping and Monitoring.
Remote Sensing.
8.
2016
An ESTARFM Fusion Framework for the Generation of Large-Scale Time Series in Cloud-Prone and Heterogeneous Landscapes.
Remote Sensing.
8.
2016
Assessing European ecosystem stability to drought in the vegetation growing season.
Global Ecology and Biogeography.
25.
2016
Assessing Future Vegetation Trends and Restoration Prospects in the Karst Regions of Southwest China.
Remote Sensing.
8.
2016
Assessing woody vegetation trends in Sahelian drylands using MODIS based seasonal metrics.
Remote Sensing of Environment.
183.
2016
Decline of woody vegetation in a saline landscape in the Groundnut Basin, Senegal.
Regional Environmental Change.
16.
2016
Dryland Vegetation Functional Response to Altered Rainfall Amounts and Variability Derived from Satellite Time Series Data.
Remote Sensing.
8.
2016
Environmental change in the Sahel: reconciling contrasting evidence and interpretations.
Regional Environmental Change.
16.
2016
Glacier area changes in the central Chilean and Argentinean Andes 1955–2013/14.
Journal of Glaciology.
62.
2016
IDENTIFICATION OF A ROBUST LICHEN INDEX FOR THE DECONVOLUTION OF LICHEN AND ROCK MIXTURES USING PATTERN SEARCH ALGORITHM (CASE STUDY: GREENLAND).
ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences.
XLI-B7.
2016
IDENTIFICATION OF A ROBUST LICHEN INDEX FOR THE DECONVOLUTION OF LICHEN AND ROCK MIXTURES USING PATTERN SEARCH ALGORITHM (CASE STUDY: GREENLAND).
ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences.
XLI-B7.
2016
Mapping Clearances in Tropical Dry Forests Using Breakpoints, Trend, and Seasonal Components from MODIS Time Series: Does Forest Type Matter?.
Remote Sensing.
8.
2016
Remote sensing of vegetation dynamics in drylands: Evaluating vegetation optical depth (VOD) using AVHRR NDVI and in situ green biomass data over West African Sahel.
Remote Sensing of Environment.
177.
2016
Revealing turning points in ecosystem functioning over the Northern Eurasian agricultural frontier.
Global Change Biology.
22.
2016
Spatiotemporal variability in carbon exchange fluxes across the Sahel.
Agricultural and Forest Meteorology.
226.
2016
Very high CO2 exchange fluxes at the peak of the rainy season in a West African grazed semi-arid savanna ecosystem.
Geografisk Tidsskrift-Danish Journal of Geography.
116.
2016
Woody plant cover estimation in drylands from Earth Observation based seasonal metrics.
Remote Sensing of Environment.
172.
2016
A Framework for Consistent Estimation of Leaf Area Index, Fraction of Absorbed Photosynthetically Active Radiation, and Surface Albedo from MODIS Time-Series Data.
IEEE Transactions on Geoscience and Remote Sensing.
53.
2015
Climate Contributions to Vegetation Variations in Central Asian Drylands: Pre- and Post-USSR Collapse.
Remote Sensing.
7.
2015
Cross-border forest disturbance and the role of natural rubber in mainland Southeast Asia using annual Landsat time series.
Remote Sensing of Environment.
169.
2015
Deriving seasonal dynamics in ecosystem properties of semi-arid savanna grasslands from in situ-based hyperspectral reflectance.
Biogeosciences.
12.
2015
Deriving seasonal dynamics in ecosystem properties of semi-arid savannas using in situ based hyperspectral reflectance.
Biogeosciences Discussions.
12.
2015
Does EO NDVI seasonal metrics capture variations in species composition and biomass due to grazing in semi-arid grassland savannas?.
Biogeosciences.
12.
2015
Dynamics in carbon exchange fluxes for a grazed semi-arid savanna ecosystem in West Africa.
Agriculture Ecosystems & Environment.
205.
2015
Economic Valuation of Mangroves for Comparison with Commercial Aquaculture in South Sulawesi, Indonesia.
Forests.
6.
2015
Ecosystem properties of semiarid savanna grassland in West Africa and its relationship with environmental variability.
Global Change Biology.
21.
2015
Evaluating EO-based canopy water stress from seasonally detrended NDVI and SIWSI with modeled evapotranspiration in the Senegal River Basin.
Remote Sensing of Environment.
159.
2015
Evaluating temporal consistency of long-term global NDVI datasets for trend analysis.
Remote Sensing of Environment.
163.
2015
Fodder Biomass Monitoring in Sahelian Rangelands Using Phenological Metrics from FAPAR Time Series.
Remote Sensing.
7.
2015
Global‐scale mapping of changes in ecosystem functioning from earth observation‐based trends in total and recurrent vegetation.
Global Ecology and Biogeography.
24.
2015
Ground‐ and satellite‐based evidence of the biophysical mechanisms behind the greening Sahel.
Global Change Biology.
21.
2015
Inter-comparison of energy balance and hydrological models for land surface energy flux estimation over a whole river catchment.
Hydrology and Earth System Sciences.
19.
2015
L-Band SAR Backscatter Related to Forest Cover, Height and Aboveground Biomass at Multiple Spatial Scales across Denmark.
Remote Sensing.
7.
2015
Mangrove exploitation effects on biodiversity and ecosystem services.
Biodiversity and Conservation.
24.
2015
Mapping dynamics of deforestation and forest degradation in tropical forests using radar satellite data.
Environmental Research Letters.
10.
2015
Operationalizing measurement of forest degradation: Identification and quantification of charcoal production in tropical dry forests using very high resolution satellite imagery.
International Journal of Applied Earth Observation and Geoinformation.
39.
2015
Trends in Global Vegetation Activity and Climatic Drivers Indicate a Decoupled Response to Climate Change.
PLoS ONE.
10.
2015
Using Landsat Vegetation Indices to Estimate Impervious Surface Fractions for European Cities.
Remote Sensing.
7.
2015
Vietnam’s Forest Transition in Retrospect: Demonstrating Weaknesses in Business-as-Usual Scenarios for REDD+.
Environmental Management.
55.
2015
Advances in monitoring vegetation and land use dynamics in the Sahel.
Geografisk Tidsskrift-Danish Journal of Geography.
114.
2014
An automated field spectrometer system for studying VIS, NIR and SWIR anisotropy for semi-arid savanna.
Remote Sensing of Environment.
152.
2014
Assimilation of SMOS‐derived soil moisture in a fully integrated hydrological and soil‐vegetation‐atmosphere transfer model in Western Denmark.
Water Resources Research.
50.
2014
Automated Water Extraction Index: A new technique for surface water mapping using Landsat imagery.
Remote Sensing of Environment.
140.
2014
Does Vegetation Parameterization from EO NDVI Data Capture Grazing induced Variations in Species Composition and Biomass in Semi-Arid Grassland Savanna?.
Biogeosciences Discussions.
11.
2014
Drought footprint on European ecosystems between 1999 and 2010 assessed by remotely sensed vegetation phenology and productivity.
Global Change Biology.
20.
2014
Explaining NDVI trends in northern Burkina Faso.
Geografisk Tidsskrift-Danish Journal of Geography.
114.
2014
Global Ecosystem Response Types Derived from the Standardized Precipitation Evapotranspiration Index and FPAR3g Series.
Remote Sensing.
6.
2014
Inter-comparison of energy balance and hydrological models for land surface energy fluxes estimation over a whole river catchment.
Hydrology and Earth System Sciences Discussions.
11.
2014
The Normalization of Surface Anisotropy Effects Present in SEVIRI Reflectances by Using the MODIS BRDF Method.
IEEE Transactions on Geoscience and Remote Sensing.
52.
2014
Using earth observation-based dry season NDVI trends for assessment of changes in tree cover in the Sahel.
International Journal of Remote Sensing.
35.
2014
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chapter
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Assessing Drivers of Vegetation Changes in Drylands from Time Series of Earth Observation Data.
Springer Nature.
2015
Assessment of Vegetation Trends in Drylands from Time Series of Earth Observation Data.
Springer Nature.
2015
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conference paper
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dataset
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Effect of climate dataset selection on simulations of terrestrial GPP: Highest uncertainty for tropical regions.
public-library-of-science.
2018
Main datasets used, type, spatial resolution and time period..
public-library-of-science.
2018
Descriptive statistics for second order polynomial relationships between various metrics derived from GIMMS3G NDVI-metrics and NPP (g C m-2 yr-1 MOD17A3)..
public-library-of-science.
2015
Means and ranges of R2 values across continents for (quadratic) relationships between NDVI and MODIS-NPP per biome..
public-library-of-science.
2015
Proportions of productive pixels (with a TBW value calculated for more than half of the years) with decoupled, diverging or following or trends..
public-library-of-science.
2015
Trends in Global Vegetation Activity and Climatic Drivers Indicate a Decoupled Response to Climate Change.
public-library-of-science.
2015
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hide from search
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Actual evapotranspiration in drylands derived from in-situ and satellite data: Assessing biophysical constraints.
Remote Sensing of Environment.
2013
Assessing Land Degradation/Recovery in the African Sahel from Long-Term Earth Observation Based Primary Productivity and Precipitation Relationships.
Remote Sensing.
2013
Can vegetation productivity be derived from greenness in a semi-arid environment? Evidence from ground-based measurements.
Journal of Arid Environments.
2013
Estimation of Herbaceous Fuel Moisture Content Using Vegetation Indices and Land Surface Temperature from MODIS Data.
Remote Sensing.
2013
Exploring Patterns and Effects of Aerosol Quantity Flag Anomalies in MODIS Surface Reflectance Products in the Tropics.
Remote Sensing.
2013
Global Biogeographical Pattern of Ecosystem Functional Types Derived From Earth Observation Data.
Remote Sensing.
2013
Influence of the inter tropical discontinuity on Harmattan dust deposition in Ghana.
Geochemistry Geophysics Geosystems.
2013
Mapping and Evaluation of NDVI Trends from Synthetic Time Series Obtained by Blending Landsat and MODIS Data around a Coalfield on the Loess Plateau.
Remote Sensing.
2013
Relation between Seasonally Detrended Shortwave Infrared Reflectance Data and Land Surface Moisture in Semi-Arid Sahel.
Remote Sensing.
2013
The Role of Methodology and Spatiotemporal Scale in Understanding Environmental Change in Peri-Urban Ouagadougou, Burkina Faso.
Remote Sensing.
2013