An Integrative Framework for Stakeholder Engagement Using the Basin Futures Platform

: Water resources are under growing pressures globally, and better basin planning is crucial to alleviate current and future water scarcity issues. Communicating the complex interconnections and needs of natural and human systems is a signiﬁcant research challenge. With advances in cyberinfrastructure allowing for new innovative approaches to basin planning, this same technology can also facilitate better stakeholder engagement. The potential beneﬁts of using digital basin planning platforms for stakeholder engagement are immense; yet, there is limited guidance on how to best use these platforms for more e ﬀ ective stakeholder engagement in water-related issues and projects. We detail our digital platform, Basin Futures, and highlight the potential uses for stakeholder engagement through an integrative framework across di ﬀ erent assessment levels. Basin Futures is a web application that is an entry-level modelling tool that aims to support rapid and exploratory basin planning globally. As a cloud-based tool, it brings together high-performance computing and large-scale global datasets to make data analysis accessible and e ﬃ cient. We explore the potential use of the tool through three case studies exploring agricultural development, transboundary water-sharing agreements and allocating water for environmental ﬂows.


Introduction
Water resources are under growing pressures globally, with nearly 80% of the world's population are exposed to a high level of threats stemming from water insecurity [1][2][3]. Water insecurity is manifested through physical shortages, failure of institutions or lack of infrastructure [4]. Shortages in water impact on people's health, livelihoods, ecosystems and the ability to produce food [4][5][6]. It also impacts a nation's ability to achieve Sustainable Development Goals. Water resource issues are driven by inter-dependencies between hydrological, social, economic and ecological needs in river, lake and aquifer basins. Communicating the complex interconnections and needs of natural and human systems is a significant research challenge [7]. Better water planning is crucial, and if water management habits do not change, the global demand for water could increase by 50% by 2030 [8].
In the face of climate change, population growth, economic development and increased water demand, these inter-dependencies require more integrated approaches to developing and managing water and land resources [9].
The use of technology has advanced significantly in the last 20 years. The expansion in the capabilities of computing power and cyberinfrastructure provides a new approach to address water resource issues and engagement with society [10]. Complex interconnections and unprecedented changes between natural and human systems are recognised as a significant research challenge [7].

The Basin Futures Platform
The Basin Futures platform was designed based on the needs expressed by catchment managers, policymakers, environmental groups, and scientists. It is designed to lower the barrier to entry for conducting initial assessments of basin water resources and explore future development scenarios. Basin Futures leverages existing data (global and local) to empower decision-makers to understand their opportunities and constraints in managing water resources (Supplementary Materials) [21]. The platform integrates global data with models, all packaged in a web application with readily available cloud processing. This reduces costs on multiple fronts: data integration, model setup and integration, and infrastructure. This setup allows quick range-finding scenarios to be run, providing an explorative tool to aid water resource planning discussion. Basin Futures currently has two main modelling components: rainfall-runoff via GR4J [22] to generate the runoff in a basin, and a custom-built reach model for undertaking water management and transfer activities such as water storage, hydropower generation, routing of flows through the basin, demands/consumption and crop modelling (Figure 1). Basin water balance is produced on a daily basis but lumped monthly, with outputs able to be reported on a monthly or annual scale. Future scenarios are able to be run to explore climate change and changing population scenarios. Basin Futures uses climate scenarios based on The Inter-Sectoral Impact Model Inter-comparison Project (ISIMIP) outputs [23]. Enabling users to plan for climate resilient basins by assessing the potential changes in the quantity and timing of runoff, precipitation and streamflow based on multiple future climate scenarios.
Water 2020, 12, x FOR PEER REVIEW 3 of 16 users to plan for climate resilient basins by assessing the potential changes in the quantity and timing of runoff, precipitation and streamflow based on multiple future climate scenarios. Our approach focusses on three aspects: global application, easy development of scenarios, and a lower barrier to entry. These key aspects are where Basin Futures differs from existing systems, such as those focused on specific water management areas such as flood forecasting [24,25]. Our approach is similar to a recent web implementation of the Soil and Water Assessment Tool (SWAT) Online [26]; however, we provide scenario development and result assessment. Basin Futures supports users with a robust yet simple modelling framework and can provide a pathway to more sophisticated products through export capabilities. The model workflow provides a consistent and Our approach focusses on three aspects: global application, easy development of scenarios, and a lower barrier to entry. These key aspects are where Basin Futures differs from existing systems, such as those focused on specific water management areas such as flood forecasting [24,25]. Our approach is similar to a recent web implementation of the Soil and Water Assessment Tool (SWAT) Online [26]; however, we provide scenario development and result assessment. Basin Futures supports users with a robust yet simple modelling framework and can provide a pathway to more sophisticated products through export capabilities. The model workflow provides a consistent and repeatable process of basin water assessments for any basin across the globe ( Figure 2). Basin Futures provides an enabling environment for planning, cooperation and participation in water management.
repeatable process of basin water assessments for any basin across the globe ( Figure 2). Basin Futures provides an enabling environment for planning, cooperation and participation in water management.

Stakeholder Engagement: Encouraging and Scaling Participation in the Basin Planning Process
Water-related developments or changes require collaboration between a wide range of stakeholder groups from landholders to scientists to policymakers. Depending on the complexity, scale and impacts of the project, the level of stakeholder engagement can range from merely providing information to active partnerships and collaboration. For stakeholders to fully engage, an enabling environment for effective, fit-for-purpose and outcome-oriented stakeholder engagement should be provided [27]. Digital platforms can be used as a common platform between stakeholders to contribute data, knowledge and understanding and visualisation of an issue [7,10].
Digital platforms can be used to reach a wider stakeholder audience to encourage participation in water-related planning and development. Digital platforms can be used to invite the entire population of a basin to participate in consultations on a specific and well-defined issue or in events or actions which have an indirect impact on the basin's water resources management [27]. The use of digital platforms can increase access, integration and exploitation of environmental data and knowledge by scientific and end-user communities [15][16][17]19]. This is particularly relevant for cloudbased approaches where services (i.e., computing power and data storage) are also available to users which provide greater accessibility, efficiency and transparency to stakeholders.
The Basin Futures platform can be used to make scaling assessment areas and stakeholder engagement easier through user-friendly interfaces, intuitive workflow and the ability to move between multiple scales of observation (micro, meso and macro) and modelling within one platform. This can facilitate collaboration between landholders, scientists and policymakers through the transfer of knowledge and data from small-scale drainage basins to larger aggregates or transboundary basins, contributing to well-informed decisions and policies ( Figure 3).

Stakeholder Engagement: Encouraging and Scaling Participation in the Basin Planning Process
Water-related developments or changes require collaboration between a wide range of stakeholder groups from landholders to scientists to policymakers. Depending on the complexity, scale and impacts of the project, the level of stakeholder engagement can range from merely providing information to active partnerships and collaboration. For stakeholders to fully engage, an enabling environment for effective, fit-for-purpose and outcome-oriented stakeholder engagement should be provided [27]. Digital platforms can be used as a common platform between stakeholders to contribute data, knowledge and understanding and visualisation of an issue [7,10].
Digital platforms can be used to reach a wider stakeholder audience to encourage participation in water-related planning and development. Digital platforms can be used to invite the entire population of a basin to participate in consultations on a specific and well-defined issue or in events or actions which have an indirect impact on the basin's water resources management [27]. The use of digital platforms can increase access, integration and exploitation of environmental data and knowledge by scientific and end-user communities [15][16][17]19]. This is particularly relevant for cloud-based approaches where services (i.e., computing power and data storage) are also available to users which provide greater accessibility, efficiency and transparency to stakeholders.
The Basin Futures platform can be used to make scaling assessment areas and stakeholder engagement easier through user-friendly interfaces, intuitive workflow and the ability to move between multiple scales of observation (micro, meso and macro) and modelling within one platform. This can facilitate collaboration between landholders, scientists and policymakers through the transfer of knowledge and data from small-scale drainage basins to larger aggregates or transboundary basins, contributing to well-informed decisions and policies ( Figure 3).

Framework for Integrative Stakeholder Engagement
Despite the immense potential for digital platforms to be used for stakeholder engagement, there are limited guiding frameworks for how they should be implemented in conjunction with best practice IWRM principles. We present our framework for stakeholder engagement and collaboration on water-related issues and projects using digital platforms ( Figure 4). The framework was generated based on IWRM principles and our collective experience of engaging with stakeholders on water resource developments and complex water management issues We then apply this framework to three case studies using the Basin Futures platform. The framework comprises of five main steps. The first is to identify the problem or issue at hand, for example, will the water supply be sufficient for future demands of a particular basin. The second step is to define the problem, identify the stakeholders, define goals and constraints and identify alternatives. The third step is the collaborate with stakeholders and explore options within the digital platform, including determining the current water balance and future changes through multiple scenarios. The fourth is to evaluate options explored and their environmental, economic and social impacts. The final step is to decide on an option or identify alternatives.

Framework for Integrative Stakeholder Engagement
Despite the immense potential for digital platforms to be used for stakeholder engagement, there are limited guiding frameworks for how they should be implemented in conjunction with best practice IWRM principles. We present our framework for stakeholder engagement and collaboration on water-related issues and projects using digital platforms ( Figure 4). The framework was generated based on IWRM principles and our collective experience of engaging with stakeholders on water resource developments and complex water management issues We then apply this framework to three case studies using the Basin Futures platform. The framework comprises of five main steps. The first is to identify the problem or issue at hand, for example, will the water supply be sufficient for future demands of a particular basin. The second step is to define the problem, identify the stakeholders, define goals and constraints and identify alternatives. The third step is the collaborate with stakeholders and explore options within the digital platform, including determining the current water balance and future changes through multiple scenarios. The fourth is to evaluate options explored and their environmental, economic and social impacts. The final step is to decide on an option or identify alternatives.

Framework for Integrative Stakeholder Engagement
Despite the immense potential for digital platforms to be used for stakeholder engagement, there are limited guiding frameworks for how they should be implemented in conjunction with best practice IWRM principles. We present our framework for stakeholder engagement and collaboration on water-related issues and projects using digital platforms ( Figure 4). The framework was generated based on IWRM principles and our collective experience of engaging with stakeholders on water resource developments and complex water management issues We then apply this framework to three case studies using the Basin Futures platform. The framework comprises of five main steps. The first is to identify the problem or issue at hand, for example, will the water supply be sufficient for future demands of a particular basin. The second step is to define the problem, identify the stakeholders, define goals and constraints and identify alternatives. The third step is the collaborate with stakeholders and explore options within the digital platform, including determining the current water balance and future changes through multiple scenarios. The fourth is to evaluate options explored and their environmental, economic and social impacts. The final step is to decide on an option or identify alternatives.

Case Study 1: Stakeholder Engagement in Agricultural Development Projects
The world's population is projected to increase by 35% by 2050, which will require a 70-100% rise in food production given projected trends in diets, consumption, and income [6,28,29]. Over three-quarters of the projected increased population live in developing countries and in regions that already lack the capacity to produce enough food [30]. Increased food production can be achieved by increasing crop yields on existing farmland through better sustainable management practices or expanding crop production areas. Sustainable development of agricultural resources requires resolution and incorporation of diverse stakeholder values and interests. Collaboration and effective communication between local-scale farmers, governing bodies and research organisations can enable an efficient agriculture production system to be designed.
The Basin Futures platform can be used to explore and collaborate on agricultural development scenarios. The platform can be parameterised to incorporate current agriculture demands on an annual basis and forecast potential expansions, intensification and changes to agricultural systems as well as changes in water supply caused by other factors such as climate change. Basin Futures can assess the temporal reliability and production values of various agricultural scenarios and determine the impact on water resources and the environment. We selected the Purari Basin in Papua New Guinea (PNG) to demonstrate a potential stakeholder engagement strategy regarding agricultural development using the Basin Futures platform.

The Problem-Agricultural Development in the Purari Basin, Papua New Guinea
Agriculture plays a vital role in the Papua New Guinean economy. It employs~50% of the national workforce, which generates 15% of gross domestic product (GDP) [31]. Despite its importance, agricultural productivity in PNG is generally low due to inadequate infrastructure and access to essential knowledge and farm inputs. It is estimated that 30% of the land is suitable for agriculture, yet only 2.2% is used commercially [31]. Papua New Guinea aims to enhance agricultural productivity, the scale of production, market access and income generation [31]. We use the Purari Basin as an example of a potential PNG basin to undergo agricultural development. The Purari Basin is located in the district of Chuave, Papua New Guinea. Purari Basin has an area of 33,080 km and an approximate population of 1.9 million people. The Basin experiences low water stress, but droughts and floods occur regularly.

Understanding the Problem
Papua New Guinea is a rural society with the majority of the population living in traditional communities [31]. There is limited commercial agriculture, and most produce is from small-scale, family-run farms. Small-scale farmers would provide invaluable insights into crop types, planting dates, expected yields and seasonal influences that would provide validation of the current agricultural baseline along with calibration of projected developments. The Purari Basin is home to several protected areas such as the Siwi-Utame Wildlife Management Area. Therefore, any major development is likely to require approval and engagement from indigenous peoples and national governing bodies such as the Conservation and Environment Protection Authority. Potential agricultural development would require a collaborative approach to stakeholder engagement across multiple assessment levels ( Table 1).

Exploring and Evaluating Options with a Common Vision
Through the collaboration and use of the Basin Futures digital platform, a common vision for agricultural development could be attained by developing relevance and direction. Enabling cooperative, best-practice and efficient agriculture production systems to be designed. Channelling the efforts and knowledge of all stakeholders into the one platform can increase common understanding and agreements on priorities achieved through a fully inclusive, transparent and participatory process.

Case Study 2: Negotiating Water-Sharing Agreements
Water issues, hydrological boundaries and development impacts cut across administrative frontiers. Well-informed water management decisions and policies require effective communication and a shared understanding of the issue at hand between stakeholders. Communication and understanding between stakeholders can be difficult to achieve, especially in transboundary or politically contentious basins. Digital tools that are objective, transparent and cater to a range of abilities can pave the way forward to understanding issues and effective communication between stakeholder groups.
The purpose of Basin Futures is to digitally transform engagement processes and make accessible information and evidence for the majority, hence giving people voice and the ability to engage with the evidence for themselves and explore scenarios and their alternatives rather than just relying on more prescribed information. The use of digital platforms that can take into account global scale hydrological changes such as climate change and local scale water issues and developments and create tangible dialogues for action at appropriate national, regional, and local scales is a key to future stakeholder engagement processes. We selected the Mahanadi Basin to demonstrate a potential stakeholder engagement strategy for negotiating water-sharing agreements between the states of Chhattisgarh and Odisha using the Basin Futures platform.

The Problem-Water Sharing in the Mahanadi Basin, India
The Mahanadi Basin in India is home to~36 million people. The Mahanadi River begins in the state of Chhattisgarh and flows through to the state of Odisha. The river is essential for intensive agriculture in the region, not only for irrigation but for extensive fertile soil the river deposits along the 858 km river course. The construction of the large Hirakud Dam has greatly altered the flow regime and extent of flooding that occurs in the region. Water sharing practices in the Mahanadi Basin have been a source of conflict between the Indian States of Chhattisgarh and Odisha. The two states are in dispute over the construction of allegedly illegal barrages within the respective states that are damaging the ecological integrity of the river. The states also disagree on the use of the Hirakud Dam and the catchment area share each state has of the reservoir.

Understanding the Problem
The Mahanadi Basin is essential for agriculture, industry, drinking water and the environment. Negotiating water-sharing agreements in this Basin would require an objective tool that would foster cooperation and partnership between contrasting stakeholder groups and governing bodies. The use of the Basin Futures platform could provide an easy exchange of information based on a common agenda across many production systems and ecological zones. Cooperation could be further facilitated through clear mechanisms and lines of communication. All efforts and resources of stakeholders should be channelled in that direction, guided by common understanding and agreements on priorities achieved through fully inclusive and participatory processes (Table 2). Furthermore, the use of the same datasets, methods and modelling platform would allow for unbiased dialogues and solutions to be created.

Case Study 3: Environmental Flows
Water resources produced by healthy ecosystems provide livelihood support for millions of people; this support is often extremely critical and essential for developing regions. River flow regimes are regarded to be the primary drivers of riverine and floodplain wetland ecosystems [32][33][34]. The flow regime is a major determinant of both biotic and abiotic components of a river system. Alteration of the natural flow regime can have serious consequences on the ecological sustainability of rivers and their associated floodplain wetlands [32,34]. The environment needs water to sustain itself, but in the water allocation decision-making process, the needs of the environment are often neglected [35]. If too much water is allocated to other sectors, the impacts on ecosystems can be devastating. A balance needs to be struck between people's direct water needs for domestic use, industry and agriculture and their indirect needs, through the numerous and unquantified goods and services provided by functioning ecosystems [36]. Stakeholder engagement and consensus in environmental flows can be difficult to obtain due to a lack of clarity on the issue, perceived non-transparent information and complexities of interacting perspectives.
The Basin Futures platform can be used to explore and collaborate on environmental flow scenarios. The platform is objective, transparent and allows users to run their own models, interpret results and form their own opinions instead of relying on more prescribed information. The platform can be used to range find and balance the inter-dependencies between hydrological, social, economic and ecological needs in river, lake and aquifer basins. We have selected the Pangani Basin in Tanzania, Africa, to demonstrate a potential stakeholder engagement strategy for environmental flows using the Basin Futures platform.

The Problem-Environmental Flows in the Pangani Basin, Tanzania
The Pangani River Basin in East Africa has a population of 2.6 million people. The Pangani River begins as a series of small streams near Mount Kilimanjaro and passes through the arid Masai Steppe before reaching its estuary and the Indian Ocean. Along its 500 km course, the Pangani River is a lifeline for biodiversity, people, and industry, and is fundamental to the economic development of the region. The Basin is home to Kilimanjaro National Park, a listed World Heritage Site with extensive biodiversity values. The Pangani Basin experiences medium to high water stress with a high flood occurrence. The Basin contains several critically endangered terrestrial and aquatic species.

Understanding the Problem
The Pangani Basin has widespread biodiversity values but is also used extensively for agriculture, industry and hydropower. Agreement on allocating water for the environment would have to include contrasting stakeholder groups with different perspectives and values. Consensus on how much, when and the variability of water provided to the environment would require a mechanism for negotiation using processes that enable the interests of traditionally more powerful water users and less powerful sectors to be reconciled [37,38]. Environmental flows must have clear objectives and scenarios built on multi-stakeholder consensus. Scientists can provide expert advice on how river basins change under various flow conditions, but it is the stakeholders who can say what the river is used for and how much water they need. The Basin Futures platform can be used to reconcile different stakeholder views and inputs to evaluate how ecology, economic costs and benefits across sectors and social equity respond to alternate river flow scenarios at multiple assessment levels (Table 3).

Assumptions and Disadvantages of Digital Platforms for Stakeholder Engagement
There are clear benefits to utilising digital platforms in the stakeholder engagement process. However, there are user assumptions and drawbacks of using technological-based approaches that must be considered. An assumption and disadvantage of using digital tools are that users are expected to be computer literate and have a working internet connection and access to electronic devices. While the world is becoming increasingly technologically connected, the adoption of digital platforms could further the equality gap between traditionally more powerful water users and less powerful sectors such as local farmers. These local farmers could be left out or disadvantaged by the engagement process if digital tools were solely used. Furthermore, in-person contact and interactions between stakeholders during the participatory process can reveal conflicts or issues that are otherwise not visible to water managers and planners. Loss of personal connections could increase the likelihood of conflict and disagreement of water management and development plans. Therefore, digital platforms should not be used as a complete replacement of traditional stakeholder engagement strategies but rather as a tool to compliment them.

Conclusions
Well-informed water management decisions and policies require effective communication and a shared understanding of the issue at hand between stakeholders. Communication and understanding between stakeholders can be difficult to achieve, especially in transboundary or politically contentious basins. Digital tools that are objective, transparent and cater to a range of abilities can pave the way forward to understanding issues and effective communication between stakeholder groups. Despite the volume of information, data and models that can be provided to stakeholders in regards to water-related issues, supported decisions can be difficult to obtain. In this paper, we demonstrated how our platform can be used to reconcile and channel differing stakeholder views into the one modelling platform by exploring three broad yet common water resource planning issues. Each case study explored interactions approximately between 10 stakeholders with interests at micro/meso or macro scale in the basin. The flexibility in transcending the scales with relative ease while ensuring accuracy and transparency leads to an increase in the overall participation and knowledge. While Basin Futures can be used to engage and collaborate with a variety of stakeholders on water-related issues and projects, it is essential that the process is ground-truthed with local data. The platform can be used to gain creative insights and a better understanding of the issue at hand to build consensus and agreement between stakeholder groups. Funding: This perspective piece contributes to the Basin Futures project, which is funded by CSIRO Land and Water.