Proposed State Climate Resilience Bond 2020

Create a connective network of habitat patches and corridors to facilitate the movement of wildlife and support a diverse resilient ecological community.

Habitat patches are discrete areas, whereas habitat corridors are linear linkages that ensure connectivity between patches. While patches are valuable and important for birds and insect species, enhancing and interconnecting urban habitat patches with larger habitat areas beyond the LA River…

Increase habitat and ecosystem function along the river corridor.

Intact ecosystems perform multiple critical services beyond providing habitat for wildlife and providing public enjoyment. They make air more breathable, water more drinkable, and climate more stable. They help mitigate the negative effects of urban development by filtering and absorbing stormwater,…

Repurpose single-use spaces, such as power-line easements, rail rights-of-way, or flood infrastructure, to serve multiple functions such as multi-use trails or habitat, and prioritize spaces that are in high and very high park need areas.

With little vacant land and relatively high property values and construction costs, LA County cannot afford to have spaces that serve only a single purpose. Multiple uses of space are necessary to ensure benefits outweigh costs.

Complete the LA River Trail so that there is a continuous route along the entire river, and encourage future routes on both sides where feasible.

As a recreation and transportation route, the LA River Trail serves multiple purposes. However, it has yet to live up to its full potential because it is fragmented. A continuous route along the entire river would serve as a major…

Create 51 miles of connected open space along the river.

The LA River has great potential to serve as the backbone of an open space network across LA County. This 51-mile backbone would be unique within the county, providing park space to underserved adjacent communities, offering a variety of experiences from…

Update and improve emergency preparedness.

Although flood infrastructure is in place to protect life and property, flooding can still pose a threat to communities within the floodplain during an extreme storm event. These communities, which are protected from routine floods, must still be prepared. The…

Include climate change research in the planning process for new projects along the river.

Current infrastructure in and along the LA River was designed based on historic climate data. However, a changing climate is likely to increase the frequency of extreme precipitation events that result in flows that may exceed the channel’s current capacity.…

Increase capacity of the river in high risk areas to provide flood risk reduction to at least the 1% (100-year) annual chance flood event or to a level recommended by a risk assessment.

Levels of flood risk management vary along the 51-mile channel. The 1% (100-year) event is used as a target in this plan because it is the standard for the National Flood Insurance Program (NFIP) and studies show that using this…

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Create a connective network of habitat patches and corridors to facilitate the movement of wildlife and support a diverse resilient ecological community.

Increase habitat and ecosystem function along the river corridor.

Repurpose single-use spaces, such as power-line easements, rail rights-of-way, or flood infrastructure, to serve multiple functions such as multi-use trails or habitat, and prioritize spaces that are in high and very high park need areas.

Complete the LA River Trail so that there is a continuous route along the entire river, and encourage future routes on both sides where feasible.

Create 51 miles of connected open space along the river.

Update and improve emergency preparedness.

Include climate change research in the planning process for new projects along the river.

Increase capacity of the river in high risk areas to provide flood risk reduction to at least the 1% (100-year) annual chance flood event or to a level recommended by a risk assessment.

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Design Guidelines

Technical Volume