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OpenAPI Specification
openapi: 3.1.0
info:
title: PANGAEA Data Download Services DOI Filter Search API
description: 'REST services for retrieving geoscientific data from PANGAEA''s archive. Two complementary services are provided: a DOI-based filter service for retrieving tabular data from specific datasets, and a geo-parameter service for cross-dataset retrieval filtered by geographic bounding box, temporal range, and depth constraints.
'
version: 1.0.0
contact:
name: PANGAEA Technical Support
email: tech@pangaea.de
license:
name: CC-BY 3.0
url: https://creativecommons.org/licenses/by/3.0/
x-humanURL: https://www.pangaea.de/about/services.php
servers:
- url: https://ws.pangaea.de
description: PANGAEA Web Services Production Server
tags:
- name: Search
description: Full-text and faceted dataset search
paths:
/panmd/_search:
get:
operationId: searchDatasets
summary: Search PANGAEA Datasets (GET)
description: 'Search PANGAEA''s metadata index of 445,000+ geoscientific datasets using Elasticsearch query DSL via GET request. Supports full-text search, bounding box filters, temporal range filters, and faceted aggregations.
'
tags:
- Search
parameters:
- name: q
in: query
description: Elasticsearch query string (Lucene syntax supported)
required: false
schema:
type: string
example: ocean temperature
- name: size
in: query
description: Number of results to return (max 10000)
required: false
schema:
type: integer
default: 10
minimum: 1
maximum: 10000
- name: from
in: query
description: Offset for pagination
required: false
schema:
type: integer
default: 0
- name: pretty
in: query
description: Pretty-print the JSON response
required: false
schema:
type: boolean
responses:
'200':
description: Successful search response
content:
application/json:
schema:
$ref: '#/components/schemas/SearchResponse'
example:
took: 12
timed_out: false
_shards:
total: 5
successful: 5
skipped: 0
failed: 0
hits:
total: 445000
max_score: 1.0
hits:
- _index: pangaea
_type: panmd
_id: '833575'
_score: 1.0
_source:
URI: https://doi.pangaea.de/10.1594/PANGAEA.833575
agg-author:
- Smith, J
- Jones, M
agg-campaign: SO234
minDateTime: '2014-03-01T00:00:00Z'
maxDateTime: '2014-03-15T00:00:00Z'
northBoundLatitude: 55.5
southBoundLatitude: 50.2
eastBoundLongitude: 10.1
westBoundLongitude: 5.3
nDataPoints: 1250
post:
operationId: searchDatasetsPost
summary: Search PANGAEA Datasets (POST)
description: 'Search PANGAEA''s metadata index using a full Elasticsearch query DSL body. This allows complex queries including boolean logic, geo-bounding box filters, temporal range filters, aggregations, and sorting.
'
tags:
- Search
parameters:
- name: pretty
in: query
description: Pretty-print the JSON response
required: false
schema:
type: boolean
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/SearchRequest'
examples:
bboxSearch:
summary: Bounding box search example
value:
query:
bool:
must:
- match_all: {}
filter:
- geo_bounding_box:
meanPosition:
top_left:
lat: 60.0
lon: -10.0
bottom_right:
lat: 45.0
lon: 20.0
temporalSearch:
summary: Temporal range search example
value:
query:
bool:
filter:
- range:
minDateTime:
gte: '2010-01-01'
lte: '2020-12-31'
size: 20
from: 0
responses:
'200':
description: Successful search response
content:
application/json:
schema:
$ref: '#/components/schemas/SearchResponse'
components:
schemas:
DatasetHit:
type: object
properties:
_index:
type: string
_type:
type: string
_id:
type: string
_score:
type: number
format: float
_source:
$ref: '#/components/schemas/DatasetMetadata'
DatasetMetadata:
type: object
description: PANGAEA dataset metadata document
properties:
URI:
type: string
format: uri
description: DOI URI of the dataset
parentURI:
type: string
format: uri
description: URI of the parent dataset (for datasets in a collection)
agg-author:
type: array
items:
type: string
description: Dataset authors
agg-campaign:
type: string
description: Scientific expedition/campaign name
agg-method:
type: string
description: Methods used for data collection
agg-location:
type: string
description: Geographic location name
agg-basis:
type: string
description: Vessel or platform name
agg-pubYear:
type: integer
description: Publication year
minDateTime:
type: string
format: date-time
description: Start date/time of data collection
maxDateTime:
type: string
format: date-time
description: End date/time of data collection
northBoundLatitude:
type: number
format: float
description: Northern latitude boundary of dataset coverage
southBoundLatitude:
type: number
format: float
description: Southern latitude boundary of dataset coverage
eastBoundLongitude:
type: number
format: float
description: Eastern longitude boundary of dataset coverage
westBoundLongitude:
type: number
format: float
description: Western longitude boundary of dataset coverage
meanPosition:
$ref: '#/components/schemas/GeoPoint'
geoCoverage:
type: object
description: GeoJSON envelope of geographic coverage
nDataPoints:
type: integer
description: Number of data points in the dataset
techKeyword:
type: array
items:
type: string
description: Technical keywords for classification
oaiSet:
type: array
items:
type: string
description: OAI-PMH set memberships
SearchResponse:
type: object
properties:
took:
type: integer
description: Query execution time in milliseconds
timed_out:
type: boolean
description: Whether the query timed out
_shards:
$ref: '#/components/schemas/ShardsInfo'
hits:
$ref: '#/components/schemas/HitsContainer'
SearchRequest:
type: object
description: Elasticsearch query DSL request body
properties:
query:
type: object
description: Elasticsearch query object (match, bool, range, geo_bounding_box, etc.)
size:
type: integer
description: Number of results to return
default: 10
minimum: 1
maximum: 10000
from:
type: integer
description: Starting offset for pagination
default: 0
sort:
type: array
description: Sort criteria
items:
type: object
aggs:
type: object
description: Aggregation definitions
_source:
oneOf:
- type: boolean
- type: array
items:
type: string
description: Fields to include in source
ShardsInfo:
type: object
properties:
total:
type: integer
successful:
type: integer
skipped:
type: integer
failed:
type: integer
GeoPoint:
type: object
description: Geographic coordinate point
properties:
lat:
type: number
format: float
description: Latitude in decimal degrees
lon:
type: number
format: float
description: Longitude in decimal degrees
HitsContainer:
type: object
properties:
total:
type: integer
description: Total number of matching documents
max_score:
type: number
format: float
description: Maximum relevance score
hits:
type: array
items:
$ref: '#/components/schemas/DatasetHit'