> For the complete documentation index, see [llms.txt](https://doc.duaer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/getting-started/ocean-datasets.md).

# Ocean datasets (NOAA) in Duaer

In Duaer: NOAA CoastWatch ERDDAP: ocean and climate datasets such as sea surface temperature, chlorophyll, and winds. One successful search uses 1 credit.
## What you get

Duaer Ocean datasets (NOAA) searches the NOAA CoastWatch ERDDAP catalog and returns datasets with their data and graph links.

Pick Duaer Data → Ocean datasets (NOAA) in the node creator, or open the [data market](/getting-started/data-market.md). Related: [Marine forecast](/getting-started/marine.md), [US tide predictions](/getting-started/tides.md).

## When to use it

- Find a daily sea surface temperature dataset.
- Locate chlorophyll data for an ocean study.

## When not to use it

- Tide times. Use [US tide predictions](/getting-started/tides.md).
- Marine weather forecasts. Use [Marine forecast](/getting-started/marine.md).

## Search on the canvas

1. Open the node creator and pick Duaer Data → Ocean datasets (NOAA).
2. Fill Words (such as chlorophyll).
3. Limit defaults to 10, max 20. Execute.

A search uses 1 credit only when it returns rows. No rows, wrong input, or an upstream failure uses 0.

## Call the API

- GET https://api.duaer.com/v1/data/ocean-datasets?words=chlorophyll
- Authorization: Bearer <Duaer key>

The call skill below matches Copy skill in the Duaer data market, with parameters, examples, and result fields.

## Call skill

Same text as Copy skill.

```
---
name: duaer-ocean-datasets
description: >-
  Duaer Ocean datasets (NOAA). NOAA CoastWatch ERDDAP: ocean and climate datasets such as sea surface temperature, chlorophyll, and winds.
  One successful search uses 1 Duaer credit.
---

# Duaer Ocean datasets (NOAA)

Duaer Ocean datasets (NOAA) searches the NOAA CoastWatch ERDDAP catalog and returns datasets with their data and graph links.

## When to use

- Find a daily sea surface temperature dataset.
- Locate chlorophyll data for an ocean study.

## When not to use

- Tide times. Use https://skills.duaer.com/tides.md.
- Marine weather forecasts. Use https://skills.duaer.com/marine.md.

## Call

`GET https://api.duaer.com/v1/data/ocean-datasets?words=chlorophyll`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Get a Duaer key: https://skills.duaer.com/keys.md

## Parameters

Provide `words`.

- `words` — Words such as sea surface temperature or chlorophyll.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.

## Examples

- `GET https://api.duaer.com/v1/data/ocean-datasets?words=chlorophyll` — chlorophyll datasets.
- `GET https://api.duaer.com/v1/data/ocean-datasets?words=sea%20surface%20temperature` — sea surface temperature datasets.

## Result

The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:

- `datasetId`, `institution` — ERDDAP dataset and provider.
- `kind`, `dataUrl` — grid or table and the data access link.
- `graphUrl`, `background` — graph builder and background page.
- `description` — dataset summary.

No match returns no rows.

Fields without a value are left out.

## Credits

A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.

## Related

- https://skills.duaer.com/marine.md — Duaer Marine forecast
- https://skills.duaer.com/tides.md — Duaer US tide predictions

```
## Questions

### How many credits does a Ocean datasets (NOAA) search use in Duaer?

One credit when Duaer returns rows. A search with no rows or an error uses 0.

### Does Duaer Ocean datasets (NOAA) return measurements?

No. Duaer returns datasets and their links. Open dataUrl to download by time and area.

## Related

- [Marine forecast in Duaer](https://doc.duaer.com/getting-started/marine.md)
- [US tide predictions in Duaer](https://doc.duaer.com/getting-started/tides.md)