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Doctoral thesis defense of Ms. Abby Daniela Ortega Sandoval, supervised by PD Dr. Luna Bharati

Ms. Abby Daniela Ortega Sandoval defended her thesis on August 28, 2023 at the University of Bonn. Ms. Sandoval was supervised by PD Dr. Luna Bharati from ICWRGC since 2019 and completed her thesis at the Center for Development Research (ZEF), University Bonn.

Ms. Abby Daniela Ortega Sandoval at her thesis defense with supervisor PD Dr. Luna Bharati and members of the thesis defense committee

Abby Daniela Ortega Sandoval at the Defense of her doctoral thesis with supervisor PD Dr. Luna Bharati and members of the examination commission Prof. Dr. Joachim von Braun, Prof. Dr. Rodriguez Sánchez, Prof. Dr. Christian Borgemeister and Prof. Dr. Mathias Becker.

Ms. Abby Daniela Ortega Sandoval at her thesis defense with supervisor PD Dr. Luna Bharati

Abby Daniela Ortega Sandoval with her supervisor PD Dr. Luna Bharati.

The title of her thesis was “Qualitative and quantitative assessment of sustainable urban stormwater management in Bogotá, Colombia”.

Three research articles have been published from the PhD work:

    1. A. D. Ortega Sandoval, J. P. Rodríguez Sánchez & L. Bharati (2023): A transdisciplinary approach for assessing the potential feasibility of Sustainable Urban Drainage Systems: case study, Bogotá, Colombia. Urban Water Journal 20(8): 1081-1094. https://doi.org/10.1080/1573062X.2023.2233494
    2. Ortega, A. D., Rodríguez, J. P., & Bharati, L. (2023). Building flood-resilient cities by promoting SUDS adoption: A multi-sector analysis of barriers and benefits in Bogotá, Colombia. International Journal of Disaster Risk Reduction 88, 103621. https://doi.org/10.1016/j.ijdrr.2023.103621
    3. Ortega, A. D., Sörensen, J., Rodríguez, J. P., & Bharati, L. (2023). Hydrologic-hydraulic assessment of SUDS control capacity using different modeling approaches: A case study in Bogotá, Colombia. Water Science and Technology 87 (12): 3124–3145. https://doi.org/10.2166/wst.2023.173

Doctoral thesis defense of Dr. Luna Bharati’s PhD student

Dipesh Chapagain defended his doctoral thesis at the Center for Development Research (ZEF) of Bonn University on 07. August 2023. He was supervised by PD Dr. Luna Bharati from ICWRGC.

Dipesh Chapaign at the Defense of his doctoral thesis with supervisor Dr. Bharati and members of the examination commission Prof. Christian Borgemeister and Prof. Eike Lüdeling from Uni Bonn.

Dipesh Chapaign at the Defense of his doctoral thesis with supervisor PD Dr. Luna Bharati and members of the examination commission Prof. Christian Borgemeister and Prof. Eike Lüdeling from Uni Bonn.

Dipesh Chapaign at the Defense of his doctoral thesis with supervisor Dr. Bharati

Dipesh Chapagain with his advisor PD Dr. Luna Bharati.

The title of the PhD thesis is:

Detection and Attribution of Spatiotemporal Trends of Climatic Disaster Mortality in Nepal.

Three journal articles were prepared as part of the PhD work:

  1. Chapagain, D., Bharati, L., Mechler, R., KC, S., Pflug, G., & Borgemeister, C. (2023). Understanding the role of climate change in disaster mortality: Empirical evidence from the Global South. [In Review]. Available at SSRN: https://ssrn.com/abstract=4361196 or http://dx.doi.org/10.2139/ssrn.4361196
  2. Chapagain, D., Bharati, L., & Borgemeister, C. (2022). Declining vulnerability but rising impacts: the trends of climatic disasters in Nepal. Regional Environmental Change, 22(2), 55. https://doi.org/10.1007/s10113-022-01903-5
  3. Chapagain, D., Dhaubanjar, S. & Bharati, L. (2021). Unpacking future climate extremes and their sectoral implications in western Nepal. Climatic Change 168, 8. https://doi.org/10.1007/s10584-021-03216-8

Trends in climate disaster impacts in a least developed country

Dr. Luna Bharati co-authored a paper that assesses the spatiotemporal trends of multiple types of climatic disasters with respect to the related mortality and vulnerability and their attribution to climatic and socioeconomic factors in a least developed country, Nepal. The impacts of climatic disasters, such as human mortality, have been rising globally, but the causes of the rise remain unclear. In this study, the authors found that the disaster frequency and mortality have increased, but the vulnerability has decreased. The findings imply that the strong increase in disaster frequency, potentially due to climate change, has overpowered the effect of reduced vulnerability and caused an increase in disaster mortality.

Chapagain, D., Bharati, L., & Borgemeister, C. (2022). Declining vulnerability but rising impacts: the trends of climatic disasters in Nepal. Regional Environmental Change, 22(2), 55.

https://doi.org/10.1007/s10113-022-01903-5

The role of academia in communicating environmental conflicts

The world is witnessing an increase in environmental conflicts (ECs) caused by the overexploitation and pollution of natural resources. In this paper, a multidisciplinary group of researchers (including dr. Luna Bharati) critically explored the role of academia in co-producing knowledge on the complexities of environmental conflicts. The publication highlights why inter- and transdisciplinary approaches to understanding multifaceted environmental conflicts are important and which day-to-day challenges academic researchers face when applying them.

Aviles, D., Mora Motta, A., Pereira, A., Bharati, L., Biber-Freundenberger, L., Ptersheim, C. Quispe-Zuniga, MR., Schmitt, CB., Youkhana, E. (2022) Integrating scientific and local knowledge to address environmental conflicts: the role of academia. Human Ecology 50(4). DOI: 10.1007/s10745-022-00344-2

Case study on the implementation of Sustainable Drainage Systems

Dr. Luna Bharati is co-author to a paper that discusses the factors that hinder and promote implementation of Sustainable Drainage Systems (SUDS) in Bogotá, considering the perspectives of the public sector, private sector, urban developers, and community members living in a flood-prone area. After identifying and categorizing 39 barriers, the authors found that technical barriers continue to have a significant impact on SUDS adoption. The evaluation of benefits yielded 34 results, demonstrating the broad scope of SUDS at a social, economic, and environmental level.

Ortega, A. D., Rodríguez, J. P., & Bharati, L. (2023). Building flood-resilient cities by promoting SUDS adoption: A multi-sector analysis of barriers and benefits in Bogotá, Colombia. International Journal of Disaster Risk Reduction, 88 (February), 103621.

https://doi.org/10.1016/j.ijdrr.2023.103621

Multiple-cropping and cropland expansion in Brazil influence water productivity

Dr. Marianela Fader from ICWRGC collaborated with another group of authors to demonstrate that multiple-cropping and cropland expansion in Brazil do not only affect agricultural yields but also water productivity.

See the article under
“The effects of cropping intensity and cropland expansion of Brazilian soybean production on green water flows”

iopscience.iop.org

What ecologists should know before using land-use/cover change projections for biodiversity and ecosystem service assessments

Water is not only rain, rivers and lakes. Water is fundamentally related to the landscape, food production, biodiversity and ecosystem services. Dr. Marianela Fader from ICWRGC collaborated with French researchers to give ecologists guidance on using land-use and land-cover change scenarios to generate biodiversity and ecosystem services scenarios.

See the article under
“What ecologists should know before using land-use/cover change projections for biodiversity and ecosystem service assessments”

springer.com

Climate and Environmental Change in the Mediterranean Basin – Current Situation and Risks for the Future

On 17 November 2020, the First Mediterranean Assessment Report from the “Mediterranean Experts on Climate and Environmental Change” was posted online. The report titled “Climate and Environmental Change in the Mediterranean Basin – Current Situation and Risks for the Future” has been established by 190 scientists from 25 countries. ICWRGC’s Dr. Marianela Fader is one of the Coordinating Lead Authors of the chapter “Water”. A brief version of the full report is available as a so-called “Summary for Policy Makers” (SPM).

In the water sector, less precipitation and surface runoff, higher evaporation and an increasing need for irrigation as well as more frequent droughts and user conflicts are to be expected. Climate warming and less rainfall reduce groundwater recharge and deteriorate its quality in coastal zones owing to saltwater intrusion, sea level rise and human overexploitation.

MedECC overall reportSummary for Policy MakersMedECC Water chapterwww.medecc.org

Global groundwater models: new endeavour for hydrologists facing multiple challenges

In a new publication “Importance of Spatial Resolution on Global Groundwater Modelling” by Reinecke et al. in a special issue of Groundwater, the authors explore the difficulties in modelling groundwater on a global scale. Global gradient-based groundwater models are a new endeavour for hydrologists wishing to improve global hydrological models. In particular, the integration of such groundwater models enhances the simulation of exchange flows with surface water bodies and enables the implementation of capillary rise. However, these models face multiple obstacles due to their coarse spatial resolution. The study concludes that a new understanding is required on how these models can be evaluated, and that merely increasing the spatial resolution is not an elixir to improving the simulation of the global freshwater system.

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Internship work: The Importance of Cooperation Between Transboundary River Countries

Internship work: The Importance of Cooperation Between Transboundary River Countries – 2019

This work was composed during an internship at the International Centre for Water Resources and Global Change (ICWRGC), during a span of 3 months, from May to August in 2019. Taking up the publication from Molnar, Kata, et al. (2017), this internship work focuses on cooperation between countries. It points out the importance of cooperation especially within transboundary river countries using the Nile and the Rhine River as examples where cooperation has developed over time.

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