Thilo WellmannHumboldt-Universität zu Berlin | HU Berlin · Department of Geography
Thilo Wellmann
M.Sc.
About
18
Publications
7,802
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204
Citations
Introduction
Urban Ecologist and Remote Sensing specialist, R & Python programmer, part-time painter.
For more information:
https://www.thilowellmann.de &
http://remotesensingforcities.org
Additional affiliations
January 2020 - present
Position
- Research Assistant
Description
- Horizon 2020 project CLEARING HOUSE - Collaborative Learning in Research, Information-sharing and Governance on How Urban tree-based solutions support Sino-European urban futures. http://clearinghouseproject.eu/
Education
October 2016 - March 2019
Publications
Publications (18)
By adding attributes of space and time to the spectral traits (ST) concept we developed a completely new way of quantifying and assessing land use intensity and the hemeroby of urban landscapes. Calculating spectral traits variations (STV) from remote sensing data and regressing STV against hemeroby, we show how to estimate human land use intensity...
Birds respond strongly to vegetation structure and composition, yet typical species distribution models (SDMs) that incorporate Earth observation (EO) data use discrete land-use/cover data to model habitat suitability. Since this neglects factors of internal spatial composition and heterogeneity of EO data, we suggest a novel scheme deriving contin...
Context: Urban densification has been argued to increase the contrast between built up and open green space. This contrast may offer a starting point for assessing the extent and magnitude of the positive influences urban green infrastructure is expected to have on its surroundings.
Objectives: Drawing on insights from landscape ecology and urban g...
Both compact and dispersed green cities are considered sustainable urban forms, yet some developments accompanied with these planning paradigms seem problematic in times of urban growth. A compact city might lose urban green spaces due to infill and a dispersed-green city might lose green in its outskirts through suburbanisation. To study these sto...
Remote sensing has evolved to become a key tool for various fields of environmental analysis, thus actively informing policy across areas and domains. To evaluate the degree to which remote sensing is contributing to the science of ecologically-oriented urban planning, we carried out a systematic literature review using the SCOPUS database, searchi...
Remote sensing (RS) enables a cost-effective, extensive, continuous and standardized monitoring of traits and trait variations of geomorphology and its processes, from the local to the continental scale. To implement and better understand RS techniques and the spectral indicators derived from them in the monitoring of geomorphology, this paper pres...
Urban green space (UGS) has gained much attention in terms of urban ecosystems and
human health. Measures to improve green space in compact cities are important for urban sustainability. However, there is a knowledge gap between UGS improvement and planning management.
Based on the integration of quantity and quality, this research aims to identify...
The COVID-19 pandemic has shown that an immediate access to relevant information is key for timely interventions and forming of public opinion and discourse. In this regard, dashboards present themselves as invaluable tools for the democratization of data and for the creation of accessible evidence bases. Building on this momentum, it is proposed t...
The most common approach to assessing natural hazard risk is investigating the willingness to pay in the presence or absence of such risk. In this work, we propose a new, machine-learning-based, indirect approach to the problem, i.e. through residential-choice modelling. Especially in urban environments, exposure and vulnerability are highly dynami...
Urbanization rate in Central America is the second fastest worldwide and its major cities face challenges regarding urban sustainability. Urban Green Fabric (UGF) is an important material condition for the urban quality of life and, therefore, key to planning processes. We performed an analysis of the UGF of Guatemala City including the identificat...
To ensure that cities and urban ecosystems support human wellbeing and overall quality of life we need conceptual frameworks that can connect different scientific disciplines as well as research and practice. In this perspective, we explore the potential of a traits framework for understanding social-ecological patterns, dynamics, interactions, and...
The most common approach to assessing natural hazard risk is investigating
the willingness to pay in the presence or absence of such risk. In this work, we propose a new, machine-learning-based, indirect approach to the problem,
i.e. through residential-choice modelling. Especially in urban environments,
exposure and vulnerability are highly dynami...
Das Konzept der Umweltgerechtigkeit bietet Kommunen eine Methode, gesunde und sozial gerechte Lebensräume auch unter belastenden Rahmenbedingungen zu entwickeln. Die Berücksichtigung der vor Ort wahrgenommenen Bedarfe und lokaler Lösungsstrategien entlastet die bestehende Bevölkerung und stärkt die Lebensräume in der wachsenden Stadt.
Neben der Ent...
The status, changes, and disturbances in geomorphological regimes can be regarded as controlling and regulating factors for biodiversity. Therefore, monitoring geomorphology at local, regional, and global scales is not only necessary to conserve geodiversity, but also to preserve biodiversity, as well as to improve biodiversity conservation and eco...
Disaster risk is conceived as the interaction of hazard, exposure, and vulnerability. Especially in urban environments, exposure and vulnerability are highly dynamic risk components, both being shaped by a complex and continuous reorganization and redistribution of assets within the urban space, including the residence of urban dwellers. This case...
Birds strongly respond to vegetation structure and composition, yet typical species distribution models (SDM) incorporating Earth observation (EO) data use discrete land use/cover data for the habitat suitability modelling.
The deployed concepts encompass vegetation fractions for determining vegetation density and spectral traits for the quantific...
This paper introduces a novel approach to green space availability in cities that includes the thus-far mostly neglected urban front and backyard green space around residential buildings on privately owned ground. To quantify the full spatial scope of urban green space, we calculated subpixel vegetation fractions from RapidEye remote-sensing data f...
Publication:
Wellmann, T., Haase, D., Knapp, S., Salbach, C., Selsam, P., & Lausch, A. (2018). Urban land use intensity assessment: The potential of spatio-temporal spectral traits with remote sensing. Ecological Indicators, 85, 190–203. https://doi.org/10.1016/j.ecolind.2017.10.029 Urban land use intensity assessment: The potential of spatio-tem...
Projects
Projects (2)
The BiNatUr project will explore the role of biodiversity and its linkages with regulating ecosystem services (ES) in urban aquatic nature-based solutions (aquaNBS), and its overall aim is to improve the planning, building, restoration, and management of aquaNBS, supporting the transformation to climate-smart, biodiversity-friendly, and sustainable cities. BiNatUr will explicitly focus on four main research questions:
• How are biodiversity and ES of aquaNBS mediated by social, ecological, and technological factors?
• Does this vary among cities in different regions of Europe?
• How does biodiversity influence the regulating ES provided by aquaNBS?
• How can urban planning effectively design, manage, and monitor the biodiversity and regulating ES of aquaNBS?
Providing evidence for the design of tomorrows green cities, by putting the data collected by hundreds of satellites to work in those areas where the majority of people live – in cities.
For more:
https://twitter.com/RS4Cities
http://remotesensingforcities.org
