Evidence map›Paper›PMID 40025037›Full record

ArticleScientific reports2025

Discrepancies in precipitation trends between observational and reanalysis datasets in the Amazon Basin.

Andrew Polasky, Vikrant Sapkota, Chris E Forest, Jose D Fuentes

Abstract read
In one paragraph

Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Andrew PolaskyDepartment of Meteorology and Atmospheric Science, The Pennsylvania State University, University Park, PA, USA. adp29@psu.edu.
Vikrant SapkotaDepartment of Meteorology and Atmospheric Science, The Pennsylvania State University, University Park, PA, USA.
Chris E ForestDepartment of Meteorology and Atmospheric Science, The Pennsylvania State University, University Park, PA, USA.
Jose D FuentesDepartment of Meteorology and Atmospheric Science, The Pennsylvania State University, University Park, PA, USA.

Funding

National Science Foundation 2000403
6 · The paper itself

Abstract

The Amazon rainforest is a region of global importance as it accounts for 10% of terrestrial biodiversity and stores at least 10 years' worth of global anthropogenic carbon dioxide ([Formula: see text]) emissions. However, the rainforest is currently under tremendous pressure from deforestation and the impacts of climate change, leading to rainforest degradation and perturbations of the regional carbon and water cycles. Using data sets from various sources, we produce spatial and temporal analyses of precipitation for the Amazon Basin from 1980 to 2022. Results demonstrate substantial seasonal and regional variations across the Amazon Basin, indicating that while some regions are experiencing increasing trends in precipitation, others are undergoing declines. These trends are not consistent among available datasets, with substantial differences between observational, reanalysis, and climate model data. For example, precipitation data from reanalyses for 1980-2022 reveal significant drying patterns in the southern and central Amazon during the dry season, which are not present in the observational datasets.

Indexed as

AmazonCHIRPSCMIP6ERA5Precipitation

Identifiers

PMID40025037
PMCPMC11873230

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.